3128 Bluetooth Uhf Rfid Rain Reader User Manual

USER GUIDE:

3128

BLUETOOTH

UHF RFID RAIN READER

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Design • Development • Manufacture

TERMS & CONDITIONS

No part of this publication may be reproduced or used in any form, or by any electrical or mechanical means,

without permission in writing from Technology Solutions (UK) Ltd. This includes electronic or mechanical

means,such as photocopying, recording, or information storage and retrieval systems. The material in this manual

is subject to change without notice.

Technology Solutions (UK) Ltd (TSL

) reserves the right to make changes to any software or product to improve

reliability, function, or design. TSL does not assume any product liability arising out of, or in connection with, the

application or use of any product, circuit, or application described herein. No license is granted, either expressly or

by implication, estoppel, or otherwise under any patent right or patent, covering or relating to any combination,

system, apparatus, machine, material, method, or process in which TSL products might be used. An implied

license exists only for equipment, circuits, and subsystems contained in TSL products. TSL and the TSL logo are

registered trademarks of TSL. Other product names mentioned in this manual may be trademarks or registered

trademarks of their respective companies and are hereby acknowledged.

All software is provided strictly on an “as is” basis. All software, including ﬁrmware, furnished to the user is on

a licensed basis. TSL grants to the user a non-transferable and non-exclusive license to use each software or

ﬁrmware program delivered hereunder (licensed program). Except as noted below, such license may not be

assigned, sublicensed, or otherwise transferred by the user without prior written consent of TSL. No right to

copy a licensed program in whole or in part is granted, except as permitted under copyright law. The user shall

not modify, merge, or incorporate any form or portion of a licensed program with other program material, create

a derivative work from a licensed program, or use a licensed program in a network without written permission

from TSL. The user agrees to maintain TSL’s copyright notice on the licensed programs delivered hereunder, and

to include the same on any authorized copies it makes, in whole or in part. The user agrees not to decompile,

disassemble, decode, or reverse engineer any licensed program delivered to the user or any portion thereof.

iPad, iPad Air, iPad mini, iPad Pro, iPhone, iPod, iPod touch are trademarks of Apple Inc., registered

in the U.S. and other countries. IOS is a trademark or registered trademark of Cisco in the U.S. and other countries

and is used under license.

Use of the Made for Apple badge means that an accessory has been designed to connect speciﬁcally to the Apple

product(s) identiﬁed in the badge and has been certiﬁed by the developer to meet Apple performance standards.

Apple is not responsible for the operation of this device or its compliance with safety and regulatory standards.

The Bluetooth

word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of

such marks by Technology Solutions (UK) Ltd is under license. Other trademarks and trade names are those of

their respective owners.

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CONTENT

Introduction 4

Parts of the 3128 UHF Reader 4

Alternative Conﬁgurations of the 3128 Reader 5

Using the 3128 UHF Reader 6

Power Handle Installation or Removal 6

Inserting or Removing a Micro SD Card 8

Antenna Installation or Removal 10

Locking the Antenna 11

Charging 12

Button Operation 14

Controlling the Trigger Button Through ASCII Commands 14

Reading Transponders 15

Status LED 16

Connections 17

Bluetooth Wireless Technology Connection 17

Comparison of Bluetooth Operating Modes 18

Changing the Bluetooth Operating Mode 19

Changing the Bluetooth Operating Mode Using Command Scan 20

Setting up a Bluetooth Connection with an Apple iOS Device 21

Micro SD Card Contents 26

Auto Run File (AUTO.TXT) 26

Log File (LOG.TXT) 26

Software Development 27

Command Scan 28

What is Command Scan? 28

Using Command Scan to Switch Bluetooth Mode 28

More Information 28

Troubleshooting and Maintenance 29

Maintenance 29

Troubleshooting 29

Regulatory Information 30

Information to the User – FCC 30

Marking and European Economic Area (EEA) 30

Industry Canada statement 31

Korea Warning Statement for Class B ITE 31

Battery Safety 32

Health and Safety Recommendations 33

Waste Electrical and Electronic Equipment (wEEE) 34

Warranty 34

About 36

About TSL 36

Contact 36

About HID 36

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The TSL 3128 Bluetooth UHF RFID Reader provides Ultra High Frequency (UHF) Radio Frequency Identiﬁcation

(RFID), with optional barcode scanning functionality. The unit can be used in batch mode using an optional Micro

SD card, or connected to a host device via Bluetooth. The 3128 can read and write to EPC Global Class 1 Gen 2

UHF RFID transponders.

INTRODUCTION

Antenna release latch

Docking connector

Status LEDs

Trigger Button

UHF Antenna with 2D Imager

Figure 1: Parts of the 3128 UHF Reader

PARTS OF THE 3128 UHF READER

Barcode Imager

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UHF Antenna (no barcode imager)

Figure 2: UHF antenna ﬁtted (instead of UHF antenna with 2D Barcode Imager)

ALTERNATIVE CONFIGURATIONS OF THE 3128 READER

INTRODUCTION

Figure 3: By default, the 3128 Reader is supplied with a Power Handle with

a USB-C connector (left). A Power Handle with Power Pins (right) can also

be purchased, for use with a docking cradle.

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USING THE 3128 UHF READER

POWER HANDLE INSTALLATION OR REMOVAL

A high capacity battery is contained within the Power Handle. The Power Handle can be charged using a USB-C

lead (USB-C models only) or in a charging cradle (Power-Pin models only). To remove or replace the Power Handle,

please follow the steps below.

Handle Release latch

Figure 4: Location of Handle Release latch

Push the Handle Release latch in the direction indicated by the arrow (See “Figure 5: Handle Release latch

operation” ). At the same time, gently slide the Power Handle in the direction indicated (See “Figure 6: Slide Power

Handle off”.

Figure 5: Handle Release latch operation

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USING THE 3128 UHF READER

Figure 6: Slide Power Handle off

Figure 7: Power Handle removed

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USING THE 3128 UHF READER

The actions to replace the Power Handle are:

● Slide the Power Handle back onto the main unit, making sure that the guide rails are properly aligned

● The release latches will audibly ‘click’ to indicate the Power Handle is fixed in place

Figure 8: Slide Power Handle into position

To remove the Power Bridge/access the micro SD card slot

1. Remove the Power Handle (see “Power Handle Installation or Removal” on page 6)

2. Press on the Release Tab to lift the Power Bridge out of the main body of the reader (see “Figure 8: Slide

Power Handle into position”)

3. The micro SD card slot will now be visible

An optional micro SD card can be installed inside the 3128 reader. The card should be SD/SDHC compatible,

FAT16 or FAT32 up to 256 GB.

INSERTING OR REMOVING A MICRO SD CARD

Power Bridge

Figure 9: Remove Power Bridge

Release Tab

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USING THE 3128 UHF READER

Figure 11: Replace Power Bridge

To insert or remove a micro SD card

The card slot is spring loaded. After aligning the card with the slot, push and release the card once to lock the card

into the holder. Once locked in a further push and release will eject the card. It can then be removed from the slot.

Figure 10: Micro SD Card Insertion and Removal

To replace the Power Bridge

● Align the Power Bridge using the indents with the pips on the case

● Carefully push the Power Bridge down into position, until the Release Tab clicks into place

● Check that the Power Bridge is sitting correctly in position before attaching a Power Handle

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USING THE 3128 UHF READER

ANTENNA INSTALLATION OR REMOVAL

The antenna can be detached from the main body of the reader. To remove the antenna, ensure that the reader is

powered off, then move the release latch and antenna in the directions indicated in the diagrams below.

Figure 12: Antenna release latch operation

Antenna release latch

Detach antenna

in this direction

Figure 13: Antenna release latch location

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USING THE 3128 UHF READER

LOCKING THE ANTENNA

The antenna can be locked into position using an M2.5 x 5 mm Torx pan head screw.

Insert locking screw here

Figure 14: Antenna locking screw location

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USING THE 3128 UHF READER

CHARGING

Figure 15: Attaching the USB-C cable

To comply with international shipping regulations, all batteries included with TSL products are

discharged to less than 30% of their maximum capacity when shipped. It is therefore important that

the unit is fully charged before using your 3128 UHF Reader for the ﬁrst time. Please note that the Power

Handle will take 2-3 charge cycles to reach full capacity.

The 3128 UHF Reader is supplied with a USB-C lead for charging and synchronisation. A USB power supply can

be used for independent charging of the Reader. The USB-C connector is inserted into the 3128 UHF Reader as

shown below.

If using a USB power supply, it should be connected to an accessible power outlet to permit easy

disconnection if required.

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USING THE 3128 UHF READER

The 3128 UHF Reader can be charged using the dedicated 3128 Docking Cradle. The Docking Cradle has a

USB-C connector that can be used for either charging or data communications.

Before using the 3128 cradle, ensure that the Spacer plastic has been ﬁtted (see “Figure 16: Fitting the Spacer

plastic into the 3128 Cradle”)

Figure 17: Charging the 3128 UHF Reader

USB-C Cable

(for power or data

connections)

3128 Cradle

Spacer plastic

Figure 16: Fitting the Spacer plastic into the 3128 Cradle

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USING THE 3128 UHF READER

BUTTON OPERATION

The 3128 UHF Reader has a Primary button action and a Secondary button action which can be initiated by

different button clicks: By default, the Primary action scans for UHF transponders, whilst the Secondary action

initiates the barcode scanner (Barcode scanning is only available with the 2D Imager Antenna variant). Which

operation is performed depends on the way in which the button is pressed. The Single and Double press button

actions are also programmable.

PRIMARY BUTTON (CLICK AND HOLD)

- UHF Transponder Read

The primary button click is a standard button action:

● To initiate a primary button click press and hold the trigger button.

● To terminate a primary button click release the trigger button.

In the default conﬁguration the 3128 UHF Reader scans for UHF transponders as the primary function. The 3128

UHF Reader will continue to scan for UHF transponders while the button is pressed. It will stop scanning once the

button is released (and the current operation completes).

SECONDARY BUTTON (DOUBLE CLICK AND HOLD)

– Barcode Scan (2D Imager Antenna only)

The secondary button click is a single click quickly followed by a second press (press-release-press).

● To initiate a secondary button click press then release then press and hold the trigger button.

● To terminate a secondary button click release the trigger button.

In the default conﬁguration the 3128 UHF Reader scans for barcodes as the secondary function. The 3128 UHF

Reader will continue to scan for a barcode while the button is pressed. It will stop scanning when any of the

following conditions are met:

● A barcode is scanned.

● The button is released.

● The barcode engine times out.

CONTROLLING THE TRIGGER BUTTON THROUGH ASCII COMMANDS

The trigger button’s mode can also be changed to stop/start using ASCII commands. Refer to the .pd and .ps

commands detailed within the ASCII Protocol PDF, which can be downloaded from the

3128 Downloads page

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USING THE 3128 UHF READER

READING TRANSPONDERS

The 3128 UHF Reader can read and write to UHF RFID transponders when they are in range of the antenna. The

antenna is located on the front of the Reader and the read zone is in front of the antenna.

The range at which a transponder can be read depends on the transponder type and size, and the number of

transponders in the ﬁeld.

The UHF reader reads

transponders in front

of the antenna

Figure 18: Antenna location and read direction

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STATUS LED

The status LEDs on the top of the 3128 UHF Reader provides an indication of the operating status of the Reader.

LED Status

Blue slow ﬂash (50% on, 50% off).

The reader is awake but there is no connection

Blue constant.

The reader is awake and connected to a host

Short green ﬂash.

The reader has successfully read a tag or barcode

or executed the alert command

Green slow ﬂash (50% on, 50% off).

Antenna error

Orange slow ﬂash (50% on, 50% off).

Battery low warning (<10% capacity remaining),

please recharge immediately

Orange short single slow ﬂash.

Battery charging with battery level less than 33%

Orange short double ﬂash.

Battery charging with battery level less than or

equal to 66%

Orange short triple ﬂash.

Battery charging with battery level greater than 66%

Orange rapid ﬂash.

There is a charge error / battery fault

Orange constant.

The reader is fully charged

All off.

The reader is off and not charging

USING THE 3128 UHF READER

Charge status

Read indicatorBluetooth status

Figure 19: Location of status LEDs

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BLUETOOTH WIRELESS TECHNOLOGY CONNECTION

COMPATIBLE PRODUCTS

The 3128 Bluetooth Handheld UHF RFID Reader is compatible with many Bluetooth wireless technology

enabled host devices including Android and Windows devices.

CONNECTIONS

The connection to the 3128 is either via Bluetooth or USB. Bluetooth connections use either a Virtual Com Port

(VCP) or via the iAP protocol for supported Apple iOS Devices. The USB port is USB CDC connection - this will still

appear as a serial device on a PC.

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CONNECTIONS

COMPARISON OF BLUETOOTH OPERATING MODES

TSL 31xx readers support four modes of operation over Bluetooth. When connected via USB the 3128 reader uses

the TSL ASCII 3 protocol (which is backwardly compatible with ASCII 2), but when connected over Bluetooth the

reader can either be set to use the TSL ASCII 3 protocol (Bluetooth SPP/SOG Mode) or it can appear as a Bluetooth

keyboard (Bluetooth HID/HOG Mode).

The comparison chart below highlights the differences between serial and HID operating modes:

Serial Modes

• Bluetooth SPP (Serial Port Proﬁle)

• Bluetooth Low Energy SOG (Serial over GATT)

HID Modes

• Bluetooth HID (Human Interface Device)

• Bluetooth Low Energy HOG (HID over GATT)

Apps need to be written with speciﬁc support for the Reader Apps can use the Reader without modiﬁcation

The Reader can be discovered and paired in the Bluetooth

Settings or from within the App but the App controls the

connection

● Connects when instructed by the App

● Disconnects when instructed by the App

● The reader powers off when no longer connected and

idle

● The App needs to connect to restore

Reader is discovered and paired in the Host Bluetooth

Settings (often appears as a Keyboard)

● After pairing the reader connects automatically

● If idle the reader sleeps and the connection is dropped

● The reader, when woken, automatically reconnects to the

host device

Apps receive and interpret ASCII Protocol responses when

the user triggers a UHF or barcode scan

Apps receive input as Key strokes from the reader including

Tab and Return/Enter keys

The App can respond and react intelligently to responses

e.g.

● duplicate responses can be ignored or counted

● incoming tag data can be truncated, stripped or

transformed into alternative representations: Hex, ASCII,

GS1 EPC URI, etc…

The reader types text for each barcode/UHF scan received

● The tag values can be returned in Hex or ASCII

representations

● Extra text may be included in the data returned

● The reader can trim tag/barcode data

The App can change the Reader’s behaviour The Reader can only send scanned data to the host, the host

cannot change the reader’s behaviour

The Reader’s behaviour and command parameters are

controlled in real time by the App e.g. the trigger action can

change to suit the task that the User is performing; the App

can allow the User to specify Inventory output power

The Reader’s behaviour, such as the action of the reader’s

trigger switch, the inventory output power, the idle sleep

timeout and other command parameters can be conﬁgured

only once at start-up.

Conﬁguration is held within the App (any conﬁguration in the

AUTO.TXT is likely to be overridden by the App settings)

All conﬁguration is held in an AUTO.TXT ﬁle stored on the

(optional) SD card. Removing the SD card or deleting the

AUTO.TXT and power-cycling the unit restores default

settings.

All reader activity, by default, is saved to a log ﬁle if an SD-

Card is ﬁtted.

All reader activity, by default, is saved to a log ﬁle if an SD-

card is ﬁtted.

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CONNECTIONS

CHANGING THE BLUETOOTH OPERATING MODE

TSL Bluetooth UHF RFID Readers can be operated in

SPP mode

where the Reader is controlled by a custom-

written application or in

HID mode

, where the Reader behaves like a Bluetooth Keyboard.

The HID mode has two variants

HID mode

Compatible with Android, Windows and Apple devices

HID Apple mode

Compatible only with Apple devices providing an on-screen keyboard toggle

If the 3128 Reader is equipped with a 2D imager, you change modes simply by scanning a special barcode

- see “Changing the Bluetooth Operating Mode Using Command Scan” on page 20 . If no 2D imager is

available then follow the steps detailed below.

Preparation:

Download and install “TSL PC Firmware Downloader” from the Reader product download page (free, one time,

registration required):

www.tsl.com/3128-downloads

To switch to Bluetooth HID mode:

● First delete existing pairings to the UHF reader

● Launch the Firmware Downloader (Desktop Firmware Loader)

● Connect the UHF reader to the computer using the supplied USB cable. The driver should install automatically

(*)

● The downloader should prompt as the com port arrives and select the com port automatically (“COMn arrived”)

● Select Action>Reset Bluetooth to HID mode or Action>Reset Bluetooth to HID Apple mode (wait for the process

to complete)

● Disconnect the UHF reader from the computer (unplug USB)

● Wake the UHF reader (pull trigger, blue flashing LED)

● Pair to the reader on the device (it typically appears as a keyboard icon and connects automatically)

● Scanned data should now be typed into the current application on the device

To switch to Bluetooth SPP mode:

● First delete existing pairings to the UHF reader

● Launch the downloader (

Desktop Firmware Loader

)

● Connect the UHF reader to the computer using the supplied USB cable.

● The driver should install automatically (*)

● The downloader should prompt as the com port arrives and select the com port automatically (“COMn

arrived”)

● Select Action>Reset Bluetooth to SPP mode (wait for the process to complete)

● Disconnect the UHF reader from the computer (unplug USB)

● Wake the UHF reader (pull trigger, blue flashing LED)

● Pair to the reader on the device

● Launch an Application (e.g.

RFID Explorer

) to use the reader

(*) if not, download from here:

https://ftdichip.com/drivers/vcp-drivers/

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CONNECTIONS

Further Information

Further information can be found from the Reader Download pages (free, one-time, registration required - see links

above)

Application Note – Bluetooth HID mode

: Provides further examples for conﬁguring HID mode

Application Note – Using the Micro SD log and auto-run files

: Describes using the AUTO.TXT

TSL ASCII Protocol 2.5 Rev A

: Details all the commands including for HID .st,.hs,.hc, and .hd

If you encounter any issue while following the above procedure please contact

suppor[email protected]

providing the

following information:

● The serial number of the UHF Reader

● The Firmware version of the UHF Reader

● The step at which the procedure failed

● A description of the fault that occurred

Firmware requirements: 1128 - v4.2.7 or greater; 1153 – v2.1.7 or greater; 1166 – v1.1.6 or greater

CHANGING THE BLUETOOTH OPERATING MODE USING COMMAND SCAN

3128 UHF RFID Readers equipped with a 2D Barcode Imager can scan special ‘Command Scan’ barcodes to

change the Readers’ parameters, including switching the Bluetooth Operating Mode. Simply scan one of the 2D

barcodes below to switch mode.

WARNING - Scanning one of the 2D barcodes below with a TSL 3xxx Reader (such as the 3128) changes the

operating parameters of the Reader. This is a persistent change (i.e. change will remain after removing the power

handle to reset the Reader). The Bluetooth Mode can be changed back by scanning the other barcode.

SWITCH TO HID MODE

auto://tsl.com/.bt -m hid .al -fm

SWITCH TO SPP MODE

auto://tsl.com/.bt -m spp .al -fm

Further Information

See “Command Scan” on page 28

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VIEW LIST OF

BLUETOOTH DEVICES (IOS)

BLUETOOTH WIRELESS TECHNOLOGY CONNECTION

iPad

● Go to the Settings App.

Figure 21: Select Bluetooth settings

Figure 22: List of devices in Bluetooth settings

● Go to the Settings App.

● Select the Bluetooth settings in the left hand

column.

Figure 20: List of devices in Bluetooth settings

iPod

/ iPhone

● Tap on the

Bluetooth

row to be taken to the

Bluetooth

settings

SETTING UP A BLUETOOTH CONNECTION WITH AN APPLE IOS DEVICE

Awaken the 3128 UHF Reader by squeezing the trigger, which is conﬁrmed by the ﬂashing of the blue LED. To pair

with your iOS device, navigate to the Bluetooth option within the Settings menu on your iOS device.

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iPod

/ iPhone

iPad

Figure 23: Identify device

After successfully pairing with the 3128 UHF Reader the device will be shown as ‘connected’.

iPod

/ iPhone

Figure 24: Device connected

iPad

Open TSL’s RFID Explorer App.

The RFID Explorer App can be downloaded from the App Store.

PAIR WITH TSL BLUETOOTH DEVICE

BLUETOOTH WIRELESS TECHNOLOGY CONNECTION

In the list of Bluetooth devices, the 3128 UHF reader will be identiﬁed by its serial number (3128-xx-xxxxxx). Click

on the corresponding row to pair with the reader.

If RFID Explorer is installed on your device then a prompt will appear requesting a connection to the newly added

reader. Choose ‘Allow’ to launch RFID Explorer or ‘Ignore’ if the device is to be used with a different App.

iPod

/ iPhone

Figure 25: Allow connection

iPad

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BLUETOOTH WIRELESS TECHNOLOGY CONNECTION

If the app is starting up for the ﬁrst time, no reader will be selected. To select a reader, tap on ‘Change Reader’ in

the menu to the left (iPad

) or ‘Paired Readers’ (iPod

/iPhone

iPod

/ iPhone

iPad

Figure 26: TSL RFID explorer App on ﬁrst load - no reader selected

If you have a reader selected from your device’s Bluetooth settings as previously shown, continue from Figure 28.

If the ‘No devices are available’ message in Figure 25 appears, you can also connect to a device through the RFID

Explorer app. Press the + sign presented in the top right corner of the Select Reader section/screen.

iPod

/ iPhone

iPad

Figure 27: No devices are available

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BLUETOOTH WIRELESS TECHNOLOGY CONNECTION

iPod

/ iPhone

iPad

Figure 28: Select the Reader to use

This will open a ‘Select An Accessory’ dialog box.

There may be a small delay in loading available readers.

Once the available readers have loaded select the 3128 UHF Reader.

A list of compatible and currently paired Bluetooth

devices will appear. Select the device to be used with the RFID

Explorer App.

iPod

/ iPhone

iPad

Figure 29: List of paired

Bluetooth devices

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The selected device’s image will appear, accompanied by relevant device information. The ‘Inventory’, ‘Read/

Write’, ‘Commands’ and ‘Find a Tag’ features can now be explored. To maximise battery life it is recommended to

release the 3128 UHF Reader from its Bluetooth connection if the reader is not to be used for a signiﬁcant period of

time.

BLUETOOTH WIRELESS TECHNOLOGY CONNECTION

iPod

/ iPhone

iPad

Figure 30: 3128 UHF Reader selected and ready to use

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MICRO SD CARD CONTENTS

Once an SD card is installed an Auto Run ﬁle can be created on the SD card. The Auto Run ﬁle contains a list of

ASCII commands that are executed as the Reader powers up. The ﬁle should be located at the root of the card and

called “AUTO.TXT”. Although the ﬁle can contain any valid ASCII commands, one per line, it is intended that these

have the take no action ‘-n’ ﬂag speciﬁed to allow the default parameters for any command to be changed from the

ﬁrmware defaults as the unit boots without actually executing the command.

For example to change the carrier power of the inventory command from 29dBm to 20dBm ‘.iv -o20 -n’ would be

appended to the Auto Run ﬁle. As is the behaviour with command parameters this will set the output power for the

inventory command until a new value is sent with this command. Therefore the inventories executed by the trigger,

which executes ‘.iv’ will use the modiﬁed output power.

The Auto Run ﬁle can be manually created on the card before it is inserted into the 3128 or the ASCII command

Write Command to Auto Run File ‘.wa’ can be used. The Read Auto Run File ‘.ra’ can be used to read back the

contents of the Auto Run ﬁle or delete the ﬁle from the card.

AUTO RUN FILE (AUTO.TXT)

Once an SD card is installed and logging is enabled a log ﬁle is created on the SD card. The ﬁle is located at the

root of the card and called “LOG.TXT”. All the lines from every response to every command that is executed by the

reader (including those performed from trigger actions) are appended to the end of the ﬁle. Events such as Power

up are also appended to the ﬁle.

The ASCII Read Log File command (‘.rl’) is provided to enable or disable logging, to read the log ﬁle from the card

or to delete the log ﬁle from the card.

Please note that the log ﬁle can quickly become large relative to the speed at which it can be downloaded using

the Read Log File Command.

Start of a sample log output:

LOG FILE (LOG.TXT)

DT: 2026-04-15T16:46:58

EV: Log File created

CS: .ws -sa4 -sbepc -sd300833B2DDD9014000000000 -sl06 -so0002 -sts2 -dbepc -da330DE29525C0210005F5F88A

-dl06 -do0002

WW: 0

ME: No Transponder found

ER:005

DT: 2026-04-15T17:58:28

EV: Disconnected

DT: 2026-04-15T17:59:28

EV: Sleep

DT: 2026-04-18T09:18:21

EV: Wake up

CS: .al –dlon

OK:

DT: 2026-04-18T09:19:22

EV: Sleep

DT: 2026-04-18T10:07:42

EV: Wake up

DT: 2026-04-18T10:07:42

EV: Connected USB

CS: .al –dlon

OK:

CS: .iv LCMD 000000 -qss0 –qta

EP: 330DE29525C0210005F5F8F2

EP: 221001500000000000000027

OK:

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SOFTWARE DEVELOPMENT

To make full use of the functionality of the 3128 UHF Reader, a customised software application will be required.

The new 3128

Bluetooth UHF RFID reader incorporates TSL’s unique ASCII protocol for faster and easier

application development. This sophisticated parameterised ASCII protocol provides the developer a powerful set

of commands that carry out multiple actions locally within the

Bluetooth reader. This approach enables multiple

tag operations executed using simple pre-conﬁgured ASCII commands which not only speeds integration of

the reader into applications but also abstracts the developer from some of the complexities of the underlying

Native API. Simple, text based commands are sent to the reader and responses are returned as text. This allows

straightforward access to RFID tag functions such as inventory, read and write. Details of the ASCII command

mode are available for download from

www.tsl.com/3128-downloads

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COMMAND SCAN

3128 UHF RFID Readers equipped with a 2D Barcode Imager can use a patent-pending new feature called ‘TSL

Command Scan’, that enables the use of barcode scanning to conﬁgure or otherwise adjust parameters of the

RFID reader. This simple but powerful ability opens up a whole world of possibilities for developers to conﬁgure or

commission TSL RFID Readers using convenient, time-saving methods.

WHAT IS COMMAND SCAN?

● Command Scan instantly configures the RFID Reader

● Allows on-the-fly adjustments of Reader parameters for different use cases, such as scanning multiple columns

of data to a spreadsheet, using an audible ‘tag-finding’ mode, or reading just one tag at a time.

● Use Command Scan to configure the Reader’s Autorun file to make persistent changes (i.e. the Reader retains

its settings after powering off/on)

● Makes the commisioning phase of new readers much quicker - no need to connect to a PC, and Reader can be

configured in an instant

● Add whatever ‘ASCII Protocol’ commands you like to the barcodes

● Visit

commandscan.tsl.com

to generate 2D barcodes, and build a list of commands to write to an autorun file on

the target reader

● See the full list of

TSL ASCII Protocol commands

available for use within Command Scan barcodes

MORE INFORMATION

● See “Changing the Bluetooth Operating Mode Using Command Scan” on page 20

USING COMMAND SCAN TO SWITCH BLUETOOTH MODE

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MAINTENANCE

TROUBLESHOOTING

For trouble-free service please observe the following tips when using the 3128 UHF Reader:

● Protect the 3128 UHF Reader from temperature extremes. Do not leave it on the dashboard of a car on a hot

day, and keep it away from heat sources.

TROUBLESHOOTING AND MAINTENANCE

Symptoms Possible cause Action

Nothing happens when the trigger

button is pressed.

If the LEDs are not on then the

battery may be ﬂat.

Charge the 3128 UHF Reader.

The 3128 UHF Reader may have

button actions disabled.

Check the 3128 UHF Reader

conﬁguration and restore to defaults

if unsure.

Other.

Work through

Troubleshooting Guide

on TSL Website

The orange LED ﬂashes rapidly

when charging.

There is a battery fault. Replace the Power Handle.

The battery pack temperature is

outside recommended limits.

Ensure that charging only occurs

between 5°C and 40°C.

The host Bluetooth discovery does

not ﬁnd the 3128 UHF Reader.

The 3128 UHF Reader has powered

off.

Press the trigger button and ensure

the blue LED is ﬂashing.

The 3128 UHF Reader is out of

range.

Move the 3128 UHF Reader closer

to the host.

The Bluetooth friendly name of

the 3128 UHF Reader has been

changed.

Check the Bluetooth friendly name

or restore the 3128 UHF Reader to

factory defaults if unsure.

Opening the Bluetooth virtual com

port does not connect to the 3128

UHF Reader.

The host has paired to a different

Bluetooth device.

Pair to the required 3128 UHF

Reader.

The host Bluetooth function has an

error.

Warm boot the host. If this does not

help, delete the 3128 UHF Reader

from the favourites list and re-pair.

Bluetooth pairing fails. The PIN on the 3128 UHF Reader

has been changed

Set the Bluetooth PIN to a known

value

Other symptoms. Other fault.

Run

ASCII Remote Diagnostic

and email result to

support@tsl.

com

along with a description of the

problem.

www.tsl.com

INFORMATION TO THE USER – FCC

Federal Communication Commission Interference Statement

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This

device may not cause harmful interference, and (2) this device must accept any interference received, including

interference that may cause undesired operation.

NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to

part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference

when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate

radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful

interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful

interference in which case the user will be required to correct the interference at his own expense.

FCC Caution:

● Any changes or modifications not expressly approved by the party responsible for compliance could void the

user’s authority to operate this equipment.

● This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

Radiation Exposure Statement:

The product complies with the FCC portable RF exposure limit set forth for an uncontrolled environment and is

safe for intended operation as described in this manual. Further RF exposure reduction can be achieved if the

product is kept as far as possible from the user body or the device is set to a lower output power if such function is

available.

REGULATORY INFORMATION

Technology Solutions UK Ltd hereby declares that this radio equipment is in compliance with Directives 2014/53/

EU and 2011/65/EU.

The reader operates using the speciﬁed frequencies up to the maximum output powers as in the table below:

Radio Frequency of operation Maximum Output Power

Bluetooth 2.4 GHz 3 dBm

UHF RFID 865 MHz - 868 MHz 29 dBm

MARKING AND EUROPEAN ECONOMIC AREA (EEA)

www.tsl.com

KOREA WARNING STATEMENT FOR CLASS B ITE

REGULATORY INFORMATION

INDUSTRY CANADA STATEMENT

English

This device complies with ISED’s licence-exempt RSSs. Operation is subject to the following two conditions:

(1) This device may not cause harmful interference, and (2) this device must accept any interference received,

including interference that may cause undesired operation.

Radiation Exposure Statement:

The product complies with the Canada portable RF exposure limit set forth for an uncontrolled environment and

is safe for intended operation as described in this manual. Further RF exposure reduction can be achieved if the

product can be kept as far as possible from the user body or set the device to lower output power if such function

is available.

French

Le présent appareil est conforme aux CNR d’ ISED applicables aux appareils radio exempts de licence.

L’exploitation est autorisée aux deux conditions suivantes : (1) le dispositif ne doit pas produire de brouillage

préjudiciable, et (2) ce dispositif doit accepter tout brouillage reçu, y compris un brouillage susceptible de

provoquer un fonctionnement indésirable.

Déclaration d’exposition aux radiations:

Le produit est conforme aux limites d’exposition pour les appareils portables RF pour les Etats-Unis et le Canada

établies pour un environnement non contrôlé.

Le produit est sûr pour un fonctionnement tel que décrit dans ce manuel. La réduction aux expositions RF peut être

augmentée si l’appareil peut être conservé aussi loin que possible du corps de l’utilisateur ou que le dispositif est

réglé sur la puissance de sortie la plus faible si une telle fonction est disponible.

www.tsl.com

BATTERY SAFETY

● Replacement of a battery with an incorrect type can defeat a safeguard (for example, in the case of some

lithium battery types)

● Disposal of a battery into fire or a hot oven, or mechanically crushing or cutting a battery, can result in an

explosion.

● Leaving a battery in an extremely high temperature surrounding environment can result in an explosion or the

leakage of flammable liquid or gas.

● A battery subjected to extremely low air pressure may result in an explosion or the leakage of flammable liquid

or gas.

REGULATORY INFORMATION

CAUTION!

RISK OF EXPLOSION IF

BATTERY IS REPLACED BY

AN INCORRECT TYPE.

DISPOSE OF USED

BATTERIES ACCORDING

TO THE INSTRUCTIONS.

www.tsl.com

Ergonomic Recommendations

Caution: In order to avoid or minimize the potential risk of ergonomic injury, follow the recommendations below.

Consult with your local Health & Safety Manager to ensure that you are adhering to your company’s safety

programs to prevent employee injury.

● Reduce or eliminate repetitive motion

● Maintain a natural position

● Reduce or eliminate excessive force

● Keep objects that are used frequently within easy reach Perform tasks at correct heights

● Reduce or eliminate vibration

● Reduce or eliminate direct pressure

● Provide adjustable workstations

● Provide adequate clearance

● Provide a suitable working environment

● Improve work procedures.

For vehicle installation and use

An air bag inﬂates with great force. DO NOT place objects, including either installed or portable wireless

equipment, in the area over the air bag or in the air bag deployment area. If in-vehicle wireless equipment is

improperly installed and the air bag inﬂates, serious injury could result.

RF signals may affect improperly installed or inadequately shielded electronic systems in motor vehicles (including

safety systems). Check with the manufacturer or its representative regarding your vehicle. You should also consult

the manufacturer of any equipment that has been added to your vehicle.

Power Supply

Use only TSL-approved cradles, chargers and power supplies with the 3128 UHF Reader. Use of an alternative

power supply will invalidate any approval given to this device, void the warranty for the product and may be

dangerous.

HEALTH AND SAFETY RECOMMENDATIONS

www.tsl.com

For EU Customers: All products at the end of their life must be returned to TSL for recycling. For information on

how to return product please contact TSL.

WARRANTY

WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT

(WEEE)

(A) Warranty

TSL’s hardware Products are warranted against defects in workmanship and materials for a period of twelve (12) months

from the date of shipment, unless otherwise provided by TSL in writing, provided the Product remains unmodiﬁed and is

operated under normal and proper conditions. Warranty provisions and durations on software, integrated installed systems,

Product modiﬁed or designed to meet speciﬁc customer speciﬁcations (“Custom Products”), remanufactured products, and

reconditioned or upgraded products, shall be as provided in the applicable Product speciﬁcation in effect at the time of

purchase or in the accompanying software license.

(B) Spare Parts

Spare parts (i.e. parts, components, or subassemblies sold by TSL for use in the service and maintenance of Products) are

warranted against defects in workmanship and materials for a period of thirty (30) days from the date of shipment. Spare parts

may be new or originate from returned units under the conditions set forth in subsection D below.

For repairs on TSL branded hardware Products under this Agreement, including repairs covered by warranty, the repair services

provided are warranted against defects in workmanship and materials on the repaired component of the Product for a period

of thirty (30) days from the shipment date of the repaired Product, or until the end of the original warranty period, whichever is

longer. Any such defects shall be notiﬁed to TSL in writing within 7 days of the same becoming apparent.

(D) Product Service

Products may be serviced or manufactured with parts, components, or subassemblies that originate from returned products and

that have been tested as meeting applicable speciﬁcations for equivalent new material and Products. The sole obligation of TSL

for defective hardware Products is limited to repair or replacement (at TSL’s option) on a “return to base (RTB)” basis with prior

TSL authorisation.

Customer is responsible for prompt shipment to TSL and assumes all costs and risks associated with this transportation; return

shipment to the Customer will be at TSL’s expense. Customer shall be responsible for return shipment charges for product

returned where TSL determines there is no defect (“No Defect Found”), or for product returned that TSL determines is not

eligible for warranty repair. No charge will be made to Buyer for replacement parts for warranty repairs. TSL is not responsible

for any damage to or loss of any software programs, data or removable data storage media, or the restoration or reinstallation of

any software programs or data other than the software, if any, installed by TSL during manufacture of the Product.

www.tsl.com

(E) Original Warranty Period

Except for the warranty applying solely to the repaired component arising from a repair service as provided in Section C above,

the aforementioned provisions do not extend the original warranty period of any Product that had either been repaired or

replaced by TSL.

(F) Warranty Provisions

The above warranty provisions shall not apply to any Product:

(i) which has been repaired, tampered with, altered or modiﬁed, except by TSL’s authorized service personnel;

(ii) in which the defects or damage to the Product result from normal wear and tear, misuse, negligence, improper storage, water

or other liquids, battery leakage, use of parts or accessories not approved or supplied by TSL, or failure to perform operator

handling and scheduled maintenance instructions supplied by TSL;

(iii) which has been subjected to unusual physical or electrical stress, abuse, or accident, or forces or exposure beyond normal

use within the speciﬁed operational and environmental parameters set forth in the applicable Product speciﬁcation; nor shall the

above warranty provisions apply to any expendable or consumable items, such as batteries, supplied with the Product.

EXCEPT FOR THE WARRANTY OF TITLE AND THE EXPRESS WARRANTIES STATED ABOVE, TSL DISCLAIMS ALL

WARRANTIES ON PRODUCTS FURNISHED HEREUNDER INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY

AND FITNESS FOR A PARTICULAR USE. ANY IMPLIED WARRANTIES THAT MAY BE IMPOSED BY LAW ARE LIMITED IN

DURATION TO THE LIMITED WARRANTY PERIOD. SOME STATES OR COUNTRIES DO NOT ALLOW A LIMITATION ON

HOW LONG AN IMPLIED WARRANTY LASTS OR THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL

DAMAGES OR CONSUMER PRODUCTS. IN SUCH STATES OR COUNTRIES, FOR SUCH PRODUCTS, SOME EXCLUSIONS OR

LIMITATIONS OF THIS LIMITED WARRANTY MAY NOT APPLY.

The stated express warranties are in lieu of all obligations or liabilities on the part of TSL for damages, including but not limited

to, special, indirect or consequential damages arising out of or in connection with the use or performance of the Product or

service. TSL’s liability for damages to Buyer or others resulting from the use of any Product or service furnished hereunder shall

in no way exceed the purchase price of said Product or the fair market value of said service, except in instances of injury to

persons or property.

TSL is not responsible for any damages incurred during shipment if the approved shipping container is not used. Shipping the

units improperly can possibly void the warranty. If the original shipping container was not kept, contact your local distributor or

TSL to have another sent to you.

TSL shall not be responsible for any injury, damage or loss of whatever kind caused directly or indirectly by the goods whether

as a result of their manufacture, operation, use or otherwise and the customer shall indemnify TSL from any claim arising from

any loss suffered by any third party.

WARRANTY

www.tsl.com

ABOUT

ABOUT TSL

CONTACT

ISO 9001: 2015

Technology Solutions UK Ltd (TSL), part of HID, is a leading manufacturer of high performance mobile RFID

readers used to identify and track products, assets, data or personnel.

For over two decades, TSL has delivered innovative data capture solutions to Fortune 500 companies around the

world using a global network of distributors and system integrators. Specialist in-house teams design all aspects of

the ﬁnished products and software ecosystems, including electronics, ﬁrmware, application development tools, RF

design and injection mould tooling.

TSL is an ISO 9001:2015 certiﬁed company.

Address: Technology Solutions (UK) Ltd, Suite A, Loughborough Technology Centre, Epinal Way,

Loughborough, Leicestershire, LE11 3GE, United Kingdom.

Telephone: +44 1509 238248

Fax: +44 1509 214144

Email:

[email protected]

Website:

www.tsl.com

Technology Solutions (UK) Ltd reserves the right to change its products, speciﬁcations and services at any time without notice.

HID powers the trusted identities of the world’s people, places and things. We make it possible for people to

transact safely, work productively and travel freely. Our trusted identity solutions give people convenient access

to physical and digital places and connect things that can be identiﬁed, veriﬁed and tracked digitally. Millions

of people around the world use HID products and services to navigate their everyday lives, and billions of things

are connected through HID technology. We work with governments, educational institutions, hospitals, ﬁnancial

institutions, industrial businesses and some of the most innovative companies on the planet. Headquartered in

Austin, Texas, HID has over 4,000 employees worldwide and operates international ofﬁces that support more than

100 countries. HID is an ASSA ABLOY Group brand.

For more information, visit

www.hidglobal.com

ABOUT HID

3128 Bluetooth Uhf Rfid Rain Reader

Product's Documents

Users Manual Rev

Specifications

TSL 3128 Questions and Answers

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