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4K UHD HDMI/USB-C KVM HDBaseT 3.0 Extender/Switcher with USB 3.0/Ethernet/IR/RS-232/POE

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U.S.-based Company
U.S.-based Company
Complimentary design services<br> and engineering support
Complimentary design services
and engineering support
5 year warranty
5 year warranty
Click here to learn more about BZBGEAR Fundamentals
BZBGEAR Fundamentals
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Overview Specifications Interfaces Package contents Trade In

Overview

The BG-EXH-4KC7 is a high-performance HDBaseT 3.0 extender designed to deliver 4K60Hz 4:4:4 HDR video and USB-C/HDMI connectivity over distances of up to 100 meters via CAT6A/7 cables. Featuring dual inputs (USB-C and HDMI) with auto/manual switching, the transmitter supports DP-ALT mode for audio/video transmission, USB 3.0, 1G Ethernet, and up to 100W power delivery. The receiver offers flexible outputs with HDMI or USB-C and includes USB 2.0 ports for peripherals. Advanced HDR formats, such as HDR10+, Dolby Vision, and HLG, ensure stunning video quality, while analog audio de-embedding on both the transmitter and receiver simplifies audio integration.

Packed with professional-grade features, the BG-EXH-4KC7 includes RS-232 and CEC control, API support, and 1G Ethernet pass-through for seamless system integration. It supports bidirectional Power over Cable (PoC) for streamlined installations and offers long-reach HDBaseT functionality, extending 1080p60 signals up to 150 meters. With robust performance and versatile applications, this extender is ideal for conference rooms, educational institutions, and professional AV environments demanding reliable, high-quality signal transmission.

BZBGEAR AWARDS

BZBGEAR has a number of award winning products from past tradeshow events. These award winning products were nominated and judged against other nominees. See what makes our award winning products so extraordinary!
TNT-ISE-2025-winner - 520x520
Top New Technology (TNT) Award 2025 - Category: HDMI / HDBaseT Extenders

Features

  • HDR Support
    Advanced HDR Support
    Compatible with 4K60Hz 4:4:4, HDR10+, Dolby Vision, HLG, and Low Latency Mode (LLM)
  • Sleek and Discreet
    Long-Distance Transmission
    Transmits 4K60Hz signals up to 100m over CAT6A/7 cables
  • bi_usb-c
    Versatile USB-C Input
    DP-ALT mode enables USB 3.0, 1G Ethernet, and up to 100W charging
  • AUDIO DE-EMBEDDING
    Integrated Audio Extraction
    Analog audio de-embedding available on both TX and RX units
  • Control Protocol Options
    Seamless Automation
    RS-232 pass-through and API support for integration into control systems
  • Plug-and-Play Setup
    Simplified Power Management
    Bidirectional 24V Power over Cable (PoC) minimizes power supply needs

Videos

Extend & Control Your Workflow - BG-EXH-4KC7 4K HDMI USB-C KVM Extender
Extend & Control Your Workflow - BG-EXH-4KC7 4K HDMI USB-C KVM Extender

Tech Specifications

Technical
HDMI Compliance HDMI 2.0b
HDCP Compliance HDCP 2.2
DP Compliance DisplayPort 1.4a
Video Bandwidth 18Gbps
Video Resolution 640x480p60Hz, 800x600p60Hz, 1024x768p60Hz, 1280x1024p60Hz,
1360x768p60Hz, 1440x900p60Hz, 1440x1050p60Hz, 1600x1200p60Hz,
720x480i59.94Hz(480i59), 720x480p59.94Hz(480p59), 720x576i50Hz(576i50),
720x576p50Hz(576p50), 1280x720p50Hz(720p50), 1280x720p59.94Hz(720p59),
1280x720p60Hz(720p60), 1920x1080i50Hz(1080i50),
1920x1080i59.94Hz(1080i59), 1920x1080i60Hz(1080i60),
1920x1080p23.98Hz(1080p23), 1920x1080p24Hz(1080p24),
1920x1080p25Hz(1080p25), 1920x1080p29.97Hz(1080p29),
1920x1080p30Hz(1080p30), 1920x1080p50Hz(1080p50),
1920x1080p59.94Hz(1080p59), 1920x1080p60Hz(1080p60),
3840x2160p23.98Hz(2160p23), 3840x2160p24Hz(2160p24),
3840x2160p25Hz(2160p25), 3840x2160p29.97Hz(2160p29),
3840x2160p30Hz(2160p30), 3840x2160p50Hz(2160p50),
3840x2160p59.94Hz(2160p59), 3840x2160p60Hz(2160p60),
3840x2160p100Hz(2160p100), 3840x2160p120Hz(2160p120),
4096x2160p23.98Hz, 4096x2160p24Hz, 4096x2160p25Hz,
4096x2160p29.97Hz, 4096x2160p30Hz, 4096x2160p50Hz,
4096x2160p59.94Hz, 4096x2160p60Hz
Color Space RGB, YCbCr 4:4:4 / 4:2:2, YUV 4:2:0
Color Depth 8/10/12bit
HDR HDR, HDR10, HDR10+, Dolby Vision, HLG
IR Level 12Vp-p
Audio Formats HDMI/USB-C/HDBT:
LPCM 2/5.1/7.1CH, Dolby Digital/Plus/EX, Dolby True HD, Dolby Atmos, DTS,
DTS-EX, DTS-96/24, DTS High Res, DTS-HD Master Audio, DSD
Analog Audio:
LPCM 2CH (sample rate 32~192kHz)
Audio Parameters Output Impedance 600 Ohm balanced
300 Ohm unbalanced
Output Level (Max) Max 8.2dBu (2Vrms) balanced audio
Max 2.2dBu (1Vrms) unbalanced audio
Frequency Response 20Hz to 20kHz (±0.5dB)
Dynamic Range > 90dB@0dBu, 1kHzA-weighted
Audio S/N Ratio > 90dB@0dBu, 1kHzA-weighted
Audio THD+N < 0.01% at +4dBu, 1KHz
Audio Output Delay < 1ms
USB Support

TX: USB 3.2 Gen 1 5Gbps, compatible with USB 2.0 480Mbps
RX: USB 2.0 350Mbps
USB Host Ports TX: 1x USB-C 3.2 Gen 1 + 1 USB-B 3.2 Gen 1
RX: None
USB Device Ports TX: 1x USB-C 3.2 Gen 1 + 2x USB-A 3.2 Gen 1
RX: 1x USB-C 2.0 + 3x USB-A 2.0
USB Power Supply Host ports:
TX: 1x USB-C port (100W charging)
Device ports:
TX: 1x USB-C port (1A) + 2x USB A port (1.5A)
RX: 1x USB-C port (1A) + 3x USB A port (1A)
Transmission Distance HDMI/USB-C passive cable: 16.4ft/5m
USB 3.2 Gen 1 5Gbps passive cable: 5.9ft/1.8m
CAT6A/7 cable: 328ft/100m@4K60 (HDBT Standard Mode)
CAT6A/7 cable: 492ft/150m@1080P (HDBT Long Reach Mode)
ESD Protection IEC 61000-4-2:
±8kV (Air-gap discharge) & ±4kV (Contact discharge)
Connection
Transmitter Input:
1x HDMI IN [Type A, 19-pin female]
1x USB-C IN [USB Type C, 24-pin female]
Output:
1x HDBaseT OUT [RJ45, HDBT output with 24V PoC]
1x HDMI OUT [Type A, 19-pin female]
1x AUDIO OUT [5pin-3.5mm phoenix connector]
Control:
1x LAN [RJ45 connector, 1G Ethernet pass-through]
1x RS-232 [3pin-3.5mm phoenix connector]
1x SERVICE [USB-C with USB 2.0 only, 12-pin female]
1x USB HOST [USB Type B, 9-pin female]
1x USB DEVICES [USB 3.2 Type C, 24-pin female]
2x USB DEVICES [USB 3.2 Type A, 9-pin female]
1x IR IN [3.5mm audio jack, 12V level]
1x IR OUT [3.5mm audio jack]
Receiver Input:
1x HDBaseT IN [RJ45, HDBT input with 24V PoC]
Output:
1x HDMI OUT [Type A, 19-pin female]
1x AUDIO OUT [5pin-3.5mm phoenix connector]
Control:
1x LAN [RJ45 connector, 1G Ethernet pass-through]
1x RS-232 [3pin-3.5mm phoenix connector]
1x SERVICE [USB-C with USB 2.0 only, 12-pin female]
1x USB DEVICES [USB 2.0 Type C, 12-pin female]
3x USB DEVICES [USB 2.0 Type A, 4-pin female]
1x IR IN [3.5mm audio jack, 12V level]
1x IR OUT [3.5mm audio jack]
Mechanical
Housing Metal Enclosure
Color Black
Dimensions (WxDxH) Transmitter/Receiver: 8.2in x 4.8in x 0.87in [208mm x 122mm x 22mm]
Weight Transmitter: 1.51 lbs [687g], Receiver: 1.4 lbs [636g]
Power Supply Input: AC 100 - 240V 50/60Hz
Output: DC 24V/7.5A
(US/EU standard, CE/FCC/UL certified)
Power Consumption (Max) 173W (Power supply from TX, 100W USB-C charging, PoC to RX)
73W (Power supply from TX or RX, without USB-C charging)
Operating Temperature 32°F ~ 104°F / 0°C ~ 40°C
Storage Temperature -4°F ~ 140°F / -20°C ~ 60°C
Operating Humidity 20% ~ 80% (relative humidity, no condensation)
Storage Humidity 10% ~ 90% (relative humidity, no condensation)
Recommended HDMI Cable Length
Video Resolution 4K60 4K24 1080P60
HDMI IN / OUT 16.4ft/5m 33ft/10m 49ft/15m
The use of “Premium High Speed HDMI” cable is highly recommended.

PACKAGE CONTENTS

  • 1x 4K HDMI/USB-C over HDBaseT 3.0 Extender (Transmitter)
  • 1x 4K HDMI/USB-C over HDBaseT 3.0 Extender (Receiver)
  • 2x 3pin-3.5mm Phoenix Connector (male)
  • 2x 5pin-3.5mm Phoenix Connector (male)
  • 4x Mounting Ear
  • 8x Machine Screw (KM3*6)
  • 1x IR Blaster Cable (1.5m)
  • 1x IR Receiver Cable (1.5m)
  • 1x 24V/7.5A Desktop Power Supply
  • 1x User Manual

Interfaces

Interfaces image

Transmitter

  1. Power LED: Red LED indicates that the transmitter is powered on.
  2. LINK LED (Green): ▪ Light on: Transmitter and receiver are in good connection status.
    ▪ Light flashing: Transmitter and receiver are in poor connection status.
    ▪ Light off: Transmitter and receiver are not connected.
  3. USB-C LED (Green): When the USB-C IN port is selected as the video signal input channel, the USB-C LED will be on.
  4. HDMI LED (Green): When the HDMI IN port is selected as the video signal input channel, the HDMI LED will be on.
  5. SELECT button: Press this button to switch HDMI/USB-C signal input.
  6. IR IN: IR signal input port, connected to IR Receiver cable.
  7. IR OUT: IR signal output port, connected to IR Blaster cable.
  8. EDID DIP switch: Used for EDID setting. The EDID setting list is shown as follow. Note: Only when the EDID DIP switch is set to 1111, the EDID settings through API commands are valid.
  9. MODE switch: Used to switch HDBT mode.
    Switch to "STD": The HDBT Standard Mode (as factory default) is enabled, it can extend 4K60/4K30/1080P signal between the transmitter and the receiver up to 100m via a single CAT6A/7 cable.
    Switch to "LRM": The HDBT Long Reach Mode is enabled, it can extend 1080P 8bit signal between the transmitter and the receiver up to 150m via a single CAT6A/7 cable.
  10. USB Device ports: Three USB 3.2 device ports (two USB-A ports and one USB-C port) connected to mouse, keyboard, USB Flash Drive or other USB devices.
  11. DC 24V: DC 24V/7.5A power supply input port.
    Note that the extender supports PoC function, it means that either transmitter or receiver is powered on by 24V/7.5A power adapter, the other one doesn’t need power supply.
  12. LAN: 1G Ethernet pass-through port. When it switches to 1000Mbps Ethernet, the yellow indicator flashes; When it switches to 100Mbps Ethernet, the green indicator flashes.
  13. HDBaseT OUT: HDBaseT output port, connected to the HDBaseT IN port of receiver with a CAT6A/7 cable. It is used for HDMI, network and USB signals pass-through.
  14. Data Signal Indicator (Yellow): ▪ Light on: There is video signal transmission with HDCP encryption.
    ▪ Light flashing: There is video signal transmission without HDCP encryption.
    ▪ Light off: There is no video signal transmission.
  15. Link Signal Indicator (Green): ▪ Light on: Transmitter and receiver are in good connection status.
    ▪ Light flashing: Transmitter and receiver are in poor connection status.
    ▪ Light off: Transmitter and receiver are not connected.
  16. HDMI OUT: HDMI signal loop output port, connected to HDMI display device.
  17. HDMI IN: HDMI signal input port, connected to HDMI source device.
  18. USB-C IN: USB Type C port with following four functions:
    (1) USB-C video signal input port, connected to source device.
    (2) USB-C host port. When the USB-C port is selected as the video signal input channel, the USB-C port can be used as the USB 3.2 Gen 1 signal transmission port simultaneously.
    (3) USB-C charging port. Only when TX is connected to the 24V/ 7.5A power supply, the USB-C port can provides 100W charging power for external USB-C devices. When TX is not connected to the power supply and RX is connected to the power supply, the USB-C port can not provide charging function.
    (4) 1G Ethernet access port.
  19. USB HOST: USB 3.2 Gen 1 host port, connected to PC.
  20. AUDIO OUT: Analog audio output port, supporting balanced audio output (with a maximum support of 2Vrms) and unbalanced audio output (with a maximum support of 1Vrms).
    Balanced connection method: L+, L -, GND, R+, R -.
    Unbalanced connection method: L+, GND, R+.
  21. RS-232: RS-232 serial port, used for RS-232 signal pass-through and API commands control.
  22. SERVICE: USB 2.0 Type C port, used for firmware upgrade and API commands control.
  23. POC switch: 24V PoC on/off switch.
    ON: PoC is enabled (as factory default).
    OFF: PoC is disabled (need local DC/24V power supply).
Interfaces image

Receiver

  1. Power LED: Red LED indicates that the receiver is powered on.
  2. LINK LED (Green): ▪ Light on: Transmitter and receiver are in good connection status.
    ▪ Light flashing: Transmitter and receiver are in poor connection status.
    ▪ Light off: Transmitter and receiver are not connected.
  3. IR IN: IR signal input port, connected to IR Receiver cable.
  4. IR OUT: IR signal output port, connected to IR Blaster cable.
  5. USB Device ports: Three USB 2.0 device ports (two USB-A ports and one USB-C port) connected to mouse, keyboard, USB Flash Drive or other USB devices.
  6. DC 24V: DC 24V/7.5A power supply input port.
    Note that the extender supports PoC function, it means that either transmitter or receiver is powered on by 24V/7.5A power adapter, the other one doesn’t need power supply.
  7. LAN: 1G Ethernet pass-through port. When it switches to 1000Mbps Ethernet, the yellow indicator flashes; When it switches to 100Mbps Ethernet, the green indicator flashes.
  8. HDBaseT IN: HDBaseT input port, connected to the HDBaseT OUT port of transmitter with a CAT6A/7 cable. It is used for HDMI, network and USB signals pass-through.
  9. Data Signal Indicator (Yellow): ▪ Light on: There is video signal transmission with HDCP encryption.
    ▪ Light flashing: There is video signal transmission without HDCP encryption.
    ▪ Light off: There is no video signal transmission.
  10. Link Signal Indicator (Green): ▪ Light on: Transmitter and receiver are in good connection status.
    ▪ Light flashing: Transmitter and receiver are in poor connection status.
    ▪ Light off: Transmitter and receiver are not connected.
  11. HDMI OUT: HDMI signal output port, connected to HDMI display device, such as TV or monitor.
  12. USB DEVICE: USB 2.0 device port, connected to mouse, keyboard, USB Flash Drive or other USB device.
  13. AUDIO OUT: Analog audio output port, supporting balanced audio output (with a maximum support of 2Vrms) and unbalanced audio output (with a maximum support of 1Vrms).
    Balanced connection method: L+, L -, GND, R+, R -.
    Unbalanced connection method: L+, GND, R+.
  14. RS-232: RS-232 serial port, used for RS-232 signal pass-through and API commands control.
  15. SERVICE: USB 2.0 Type C port, used for firmware upgrade and API commands control.
  16. POC switch: 24V PoC on/off switch.
    ON: PoC is enabled (as factory default).
    OFF: PoC is disabled (need local DC/24V power supply).

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