
BG-EXH-70C
4K 18Gbps UHD HDMI Extender Over Category 5e/6/7 Cable up to
230 ft also with 2-Way IR & Audio Extraction
User Manual

BZBGEAR BG-EXH-70C PRODUCT MANUAL
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 2

BZBGEAR BG-EXH-70C PRODUCT MANUAL
TABLE OF CONTENTS
Statement 4
Safety Precaution 4
Introduction 5
Features 5
Packing List 5
Technical Specifications 6
Operation Controls and Functions 7
Installation Requirements 8
Installation Procedures 8
IR Cable Pin Assignment 9
Application Example 10
Tech Support 11
Limited Product Warranty Terms 11
Mission Statement 11
Copyright 12
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 3

BZBGEAR BG-EXH-70C PRODUCT MANUAL
Statement
Please read these instructions carefully before connecting, operating, or configuring this
product. Please save this manual for future reference.
Safety Precautions
● To prevent damaging this product, avoid heavy pressure, strong vibration, or immersion
during transportation, storage, and installation.
● The housing of this product is made of organic materials. Do not expose to any liquid,
gas, or solids which may corrode the shell.
● Do not expose the product to rain or moisture.
● Unplug this device during lightning storms
● Clean only with a soft dry microfiber cloth.
● To prevent the risk of electric shock, do not open the case. Installation and maintenance
should only be carried out by qualified technicians.
● Do not use the product beyond the specified temperature, humidity, or power supply
specifications.
● This product does not contain parts that can be maintained or repaired by users.
Damage caused by dismantling the product without authorization from BZBGEAR is not
covered under the warranty policy.
● Installation and use of this product must strictly comply with local electrical safety
standards.
● Only use accessories specified by the manufacture
● Product specifications may be subject to technical upgrades without further notice
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 4

BZBGEAR BG-EXH-70C PRODUCT MANUAL
Introduction
The BG-EXH-70 HDMI extender includes a transmitter unit and a receiver unit which allows
4K HDMI signals to be transmitted up to 70m (230ft) using a CAT6/6A/7 network cable. It is
perfect for outdoor advertising, monitoring systems, home entertainment, conference room
applications, and much more!
Features
● Low latency.
● A 4K@60Hz HDMI signal can be transmitted 70 meters (230ft) through CAT6/6A/7
network cables.
● The receiving unit can extract the digital audio from the transmitter or ARC through
the S/PDIF port.
● Audio Formats: Dolby TrueHD 7.1CH/Dolby Digital 5.1CH
● HDR(YUV 4:4:4), EDID pass back.
● Transmitter with HDMI loop out.
● Bi-directional IR pass back (20 ~ 60KHz).
● Build-in Lightning Protection, Surge Protection, ESD Protection.
Packing List
● 1 x HDMI Extender Transmitter
● 1 x HDMI Extender Receiver
● 1 x User Manual
● 1 x Wideband IR TX
● 1 x Wideband IR RX
● 2 x 5V2A DC Power Supply
● 8 x Mounting brackets
● 18 x Screws
● 1x User Manual
● 1х Quick Start Guide
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 5

BZBGEAR BG-EXH-70C PRODUCT MANUAL
Technical Specifications
Technical
Transmitter
Receiver
HDMI compliance
HDMI 2.0, compatible HDMI1.4
HDCP compliance
HDCP2.2, compatible HDCP1.4
Transmission medium
CAT6/CAT6A/CAT7
Transmission distance
CAT6/6A/7 Transmission 70 meters
Video bandwidth
18Gbps
Resolution support
480i@60Hz, 480p@60Hz, 576i@50Hz, 576p@50Hz, 720p@50/60Hz, 1080i@50/60Hz,
1080p@50/60Hz, 3840x2160@24/25/30/50/60Hz, 4096x2160@24/25Hz, 1280x960,
1280x800, 1280x768, 1680x1050, 1360x768, 1366x768, 1600x900, 1024x768, 800x600
Audio support
LPCM/DTS-HD/DTS-Audio/Dolby Digital 5.1CH/Dolby TrueHD 7.1CH
HDR10 (YUV 4:4:4)
supported
HDMI Loop-out
supported
ARC and S/PDIF out
supported
EDID pass through
supported
Bi-directional IR passback
supported
Input TMDS signal
0.7~1.2Vp-p
Input DDC signal
5Vp-p
Input
HDMI x1, DC2.1 x1, 3.5mm jack x1 (IR)
DC2.1 x1, RJ45 x1, 3.5mm jack x1 (IR)
Output
HDMI x1, RJ45 x1, 3.5mm jack x1 (IR)
HDMI x1, RJ45 x1, 3.5mm jack x1 (IR), Optical
x1
HDMI connector
Type A 19 Pins, Female
Network cable standard
CAT6/CAT6A/CAT7, follow IEEE-5688 standard
Mechanical
Transmitter
Receiver
Housing
Aluminum alloy material+crystal panel
Dimensions (LxWxH mm)
4.2"(L) x 3.9"(W) x 1.0”(H) [106.0(L) x 99.0(W) x 26.2(H)mm]
Net weight
0.46lbs [210g]
0.46lbs [210g]
Power supply
5V/2A
5V/2A
Power consumption
4W
4W
Operation temperature
-4~140°F / -20~60°C
Storage temperature
-22~158°F / -30~70°C
Relative humidity
0~90% (no condensation)
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 6

BZBGEAR BG-EXH-70C PRODUCT MANUAL
Operation Controls and Functions
Transmitter Panel
1. Reset button: Press to restart the device.
2. RJ45 signal output: Connect with a network cable to the receiver.
3. Power/Signal indicator: When power is connected and there is no HDMI signal, the
indicator will flash, when there is HDMI signal, the indicator will light solid blue.
4. DC5V input: Connect with DC5V/2A power adapter.
5. HDMI output: Connect with an HDMI display device.
6. HDMI input: Connect with the source device.
7. IR in: Connect with IR receiver extension cable.
8. IR out: Connect with IR blaster extension cable.
Receiver Panel
9. Reset button: Press to restart the device.
10. Audio switch: Choose to extract audio from HDMI or ARC to the S/PDIF port.
11. Rj45 signal input: Connect with network cable.
12. Power/Signal indicator: When there is power and no HDMI signal, the indicator will
flash, when there is HDMI signal, the indicator will light solid blue.
13. DC5V input: Connect with DC5V/2A power adapter.
14. S/PDIF out: Output digital audio signal.
15. HDMI output: Connect with an HDMI display device.
16. IR in: Connect with IR receiver extension cable.
17. IR out: Connect with IR blaster extension cable.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 7

BZBGEAR BG-EXH-70C PRODUCT MANUAL
Installation Procedures
1. Connection
2. Connection instruction
1) Connect the source device to the HDMI in port of the transmitter with an
HDMI cable, and connect the HDMI out port of the receiver to the display
device with another HDMI cable.
2) Connect the CAT out port of the transmitter and the CAT in port of the
receiver via a network cable (CAT6/CAT6A/CAT7).
3) If using HDMI loop out, connect the display device to the HDMI OUT port of
the transmitter.
4) Plug the power supply into the device to get started.
[NOTE]: It is recommended to use a length range within 2~70m network cable. If the cable
is too short, there may be no display output because the signal is too strong. If the cable is
too long, the output may be poor quality.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 8

BZBGEAR BG-EXH-70C PRODUCT MANUAL
IR Cable Pin Assignment
IR Receiver and Blaster pin’s definition as below:
IR User Guide
1. IR blaster extension cable should plug in the lR OUT port of the transmitter and
receiver, IR receiver extension cable should plug in the IR IN port of the transmitter
and receiver.
2. The emitter of the IR blaster extension cable should be as close as possible to the IR
receiving window of the source device.
3. Face the receiving head of the IR receiver extension cable to the user for convenient
remote control.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 9

BZBGEAR BG-EXH-70C PRODUCT MANUAL
Application Example
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 10

BZBGEAR BG-EXH-70C PRODUCT MANUAL
Tech Support
Have technical questions? We may have answered them already!
Please visit BZBGEAR’s support page (bzbgear.com/support) for helpful information and
tips regarding our products. Here you will find our Knowledge Base
(bzbgear.com/knowledge-base) with detailed tutorials, quick start guides, and step-by-step
troubleshooting instructions. Or explore our YouTube channel, BZB TV
(youtube.com/c/BZBTVchannel), for help setting up, configuring, and other helpful how-to
videos about our gear.
Need more in-depth support? Connect with one of our technical specialists directly:
Phone
1.888.499.9906
Email
support@bzbgear.com
Live Chat
bzbgear.com
Limited Product Warranty Terms
Pro Line: 5-year warranty from the date of purchase for AV/Broadcasting products bought
on or after August 1, 2024.
Essential Line: 3-year warranty from the date of purchase for AV/Broadcasting products
bought on or after August 1, 2024.
Cables: Lifetime Limited Product Warranty.
For complete warranty information, please visit bzbgear.com/warranty.
For questions, please call 1.888.499.9906 or email support@bzbgear.com.
Mission Statement
BZBGEAR is a breakthrough manufacturer of high-quality, innovative audiovisual equipment
ranging from AVoIP, professional broadcasting, conferencing, home theater, to live
streaming solutions. We pride ourselves on unparalleled customer support and services.
Our team offers system design consultation, and highly reviewed technical support for all
the products in our catalog. BZBGEAR delivers quality products designed with users in
mind.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 11

BZBGEAR BG-EXH-70C PRODUCT MANUAL
Copyright
All the contents in this manual and its copyright are owned by BZBGEAR. No one is allowed
to imitate, copy, or translate this manual without BZBGEAR’s permission. This manual
contains no guarantee, standpoint expression or other implies in any form. Product
specification and information in this manual is for reference only and subject to change
without notice.
All rights reserved. No reproducing is allowed without acknowledgement.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 12
