BG-EXH-70C3
4K UHD HDMI Extender Over Cat5e/6 with Bi-directional
IR/PoC/ARC and Audio De-embedding up to 230ft
User Manual
BZBGEAR BG-EXH-70C3 PRODUCT MANUAL
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 2
BZBGEAR BG-EXH-70C3 PRODUCT MANUAL
TABLE OF CONTENTS
Statement 4
Safety Precaution 4
Introduction 5
Features 5
Packing List 5
Specifications 6
Operation Controls and Functions 7
Transmitter Panel 7
Receiver Panel 8
IR Pin Definition 9
Application Example 10
Tech Support 11
Limited Product Warranty Terms 11
Mission Statement 12
Copyright 12
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 3
BZBGEAR BG-EXH-70C3 PRODUCT MANUAL
Statement
Please read these instructions carefully before connecting, operating, or configuring this
product. Please save this manual for future reference.
Safety Precaution
● 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.
● 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.
● This product contains sensitive electrical components that may be damaged by
electrical spikes, surges, electric shock, lighting strikes, etc. Use of surge protection
systems is highly recommended in order to protect and extend the life of your
equipment.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 4
BZBGEAR BG-EXH-70C3 PRODUCT MANUAL
Introduction
The BG-EXH-70C3 is an 18Gbps HDMI extender that extends HDMI HD, and IR control
signals to a distance of up to 230ft / 70m via a single CAT6/6a cable. The uncompressed,
long-distance transmission between the transmitter and receiver is achieved with
zero-delay. The extender features PoC, and EDID copy pass-through between the source
and display devices. Video resolution is up to 4K2K@60Hz. The flexible design allows for a
wide range of uses, such as large screen displays, multi-media conference halls, television,
and education.
Features
● HDMI 2.0b and HDCP 2.2 compliant
● 18Gbps video bandwidth
● Video resolutions up to 4K2K@60Hz RGB/YCBCR 4:4:4
● The transmission extension distance is up to 230ft / 70m via a CAT6/6a cable
● HDR, HDR10, HDR10+, Dolby Vision, HLG
● Bi-directional IR control signal pass-through
● Audio formats: LPCM 5.1, Dolby True HD, DTS HD Master
● EDID copy pass-through function between the source and display devices
● The receiving unit (RX) can extract the digital audio from the transmitter via ARC
from a display through the TOSLINK port.
● Bi-directional PoC (Power over Cable)
● Compact design for easy and flexible installation
Packing List
• 1 x 18Gbps HDMI Extender (Transmitter)
• 1 x 18Gbps HDMI Extender (Receiver)
• 1 x IR Blaster cable (1.5 meters)
• 1 x IR Wideband Receiver cable (1.5 meters)
• 4 x Mounting Ears
• 8 x Machine Screws (KM3*4)
• 1 x 12V/1A Locking Power Adapter
• 1 x User Manual
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 5
BZBGEAR BG-EXH-70C3 PRODUCT MANUAL
Specifications
Technical
HDMI Compliance
HDMI 2.0b
HDCP Compliance
HDCP 2.2
Video Bandwidth
18Gbps
Video Resolution
Up to 4K2K@60Hz RGB/YCBCR 4:4:4
IR Level
5Vp-p
IR Frequency
Wideband 20K-60KHz
Transmission Distance
4K2K@60Hz 4:4:4--70m, 1080P--70m (CAT6/6a cable)
Color Space
RGB 4:4:4, YCbCr 4:4:4, YCbCr 4:2:2, YCbCr 4:2:0
Color Depth
8/10/12bit
HDR
HDR, HDR10, HDR10+, Dolby Vision, HLG
Audio Formats
HDMI: LPCM 5.1CH, Dolby True HD, DTS-HD Master Optical: Dolby 5.1, DTS 5.1, PCM 2.0
Connection
Transmitter
Input: 1× HDMI IN [Type A, 19-pin female]
Output: 1× HDMI OUT [Type A, 19-pin female] / 1× CAT OUT [RJ45]
Control:
1× SERVICE [Micro-USB jack]
1× IR IN [3.5mm Stereo Mini jack]
1× IR OUT [3.5mm Stereo Mini jack]
Receiver
Input: 1×CAT IN [RJ45]
Output: 1×HDMI OUT [Type A, 19-pin female] / 1×TOSLINK S/PDIF
Control:
1×SERVICE [Micro-USB jack]
1×IR IN [3.5mm Stereo Mini jack]
1×IR OUT [3.5mm Stereo Mini jack]
Mechanical
Housing
Metal Enclosure
Color
Black
Dimensions
Transmitter / Receiver: 90mm (W)×68mm (D)×18mm (H)
Weight
Transmitter: 160g, Receiver: 155g
Power Supply
DC 12V/1A; Supported bi-directional PoC function
Power Consumption
3.36 W (max)
Operating Temperature
0°C ~ 40°C / 32°F ~ 104°F
Storage Temperature
-20°C ~ 60°C / -4°F ~ 140°F
Relative Humidity
20~90% RH (non-condensing)
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 6
BZBGEAR BG-EXH-70C3 PRODUCT MANUAL
Operation Controls and Functions
TRANSMITTER PANEL
Name
Function Description
SERVICE
Firmware update port.
HDMI OUT
HDMI signal loop output port. Connect to the HDMI display devices using an HDMI cable.
HDMI IN
HDMI signal input port. Connect to the HDMI source device using an HDMI cable.
CAT OUT
RJ45 port to connect to the CAT IN port of the receiver using a CAT6/6a cable.
Link Signal
Indicator
(Green)
Solid: The transmitter and receiver have a good connection status.
Flashing: The transmitter and receiver have a poor connection status.
Dark: The transmitter and receiver are not connected.
Data Signal
Indicator
(Orange)
Solid: HDMI signal with HDCP.
Flashing: HDMI signal without HDCP.
Dark: No HDMI signal.
IR IN
Connect to the IR receiver cable. The IR receive signal will emit to the IR OUT port of the receiver.
IR OUT
Connect to the IR blaster cable. The IR will emit a signal from the IR IN port of the receiver.
DC 12V
DC 12V/1A power input port.
Note: The extender supports PoC functionality. Either the transmitter or receiver must be connected to
a 24V/1A power supply. The other does not require a power supply.
EDID DIP
switch
Use the DIP switch to set EDID. Switching to the upper end indicates 1; switching to the lower end
indicates 0.
11 - EDID information is copied from the display at the RX. 10 - EDID is preset to 4K@60Hz Stereo
01 - EDID is preset to 1080p Stereo
00 - EDID information is copied from the HDMI OUT at the TX.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 7
BZBGEAR BG-EXH-70C3 PRODUCT MANUAL
RECEIVER PANEL
Name
Function Description
SERVICE
Firmware update port.
HDMI OUT
HDMI signal output port. Connect to the HDMI display devices using an HDMI cable.
TOSLINK
Optical fiber audio output port. Connect to the amplifier, receiver, or speaker with an optical cable.
CAT IN
RJ45 port to connect to the CAT OUT port of the transmitter using a CAT6/6a cable.
Link Signal
Indicator
(Green)
Solid: The transmitter and receiver have a good connection status.
Flashing: The transmitter and receiver have a poor connection status.
Dark: The transmitter and receiver are not connected.
Data Signal
Indicator
(Orange)
Solid: HDMI signal with HDCP.
Flashing: HDMI signal without HDCP.
Dark: No HDMI signal.
IR IN
Connect to the IR receiver cable. The IR receive signal will emit to the IR OUT port of the transmitter.
IR OUT
Connect to the IR blaster cable. The IR will emit a signal from the IR IN port of the transmitter.
DC 12V
DC 12V/1A power input port.
Note: The extender supports PoC functionality. Either the transmitter or receiver must be connected to
a 24V/1A power supply. The other does not require a power supply.
ARC DIP
switch
Use the DIP switches to enable ARC audio from display to be extracted at the TOSLINK on the
receiver unit (RX). Switching to the up position indicates 1; switching to the down position indicates 0.
Note that only the left switch is used.
1X - Disable the ARC to TOSLINK (Audio passes from TX HDMI to RX HDMI only)
0X - Enable the ARC to TOSLINK (Audio can be sent from the display via ARC to the RX TOSLINK)
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 8
BZBGEAR BG-EXH-70C3 PRODUCT MANUAL
IR PIN DEFINITION
IR Receiver and Blaster Descriptions:
Note: When the angle between the IR receiver and the remote control is ± 45 °, the
transmission distance is 0-5 meters.
When the angle between the IR receiver and the remote control is ± 90 °, the transmission
distance is 0-8 meters.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 9
BZBGEAR BG-EXH-70C3 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-70C3 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.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 11
BZBGEAR BG-EXH-70C3 PRODUCT MANUAL
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.
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
