HDBASET4K 18GHDMI USB 2.0/AUDIO

Comprehensive CHE-HDBTWP121K Video Extender Transmitter/Receiver

Extend 4K HDMI, Audio and USB 2.0 High Speed Signals over a Single UTP Cable up to 230ft

Comprehensive's CHE-HDBTWP121K Wall Plate Extender kit was designed to extend HDMI, analog audio and high speed USB 2.0 signals up to 230ft over Cat5e or Cat6 cables. Perfect for all commercial AV/IT installations that requires HDMI and USB 2.0 and audio inputs.

Supports 4K HD Video up to 4K@60Hz (4:4:4)

This versatile USB/HDMI extender can transmit 4K resolutions up to 4K@60Hz 4:4:4 up to 131ft and 1080P@60Hz up to 230ft, making it perfect for classrooms, meeting rooms, huddle spaces and other AV installations.

Supports Bi-directional POC (Power over Cable) Delivery

The CHE-HDBTWP121K includes 24V POC function support. Either the TX or RX can be powered by the included 24V/1A power adapter or Phoenix jack.

Dual USB 2.0 Ports

The two high speed USB 2.0 ports allow you to connect two USB devices and use them simultaneously.

Dedicated Analog Audio

The 3.5mm analog audio jack delivers audio independent from the HDMI signal for additional audio routing.

A Must Have Device for Every AV Space

Ideal for use in court rooms, classrooms, conference rooms and anywhere audio-visual devices can be extended from a remotely located HDMI source device.

Compatible with Promethean® Interactive Whiteboard

This USB extender supports and is fully compatible with the Promethean® Interactive Whiteboard.

• Extends your 4K HDMI, Audio and USB 2.0 High Speed Signals over a single UTP cable up to 230ft


• HDMI 2.0, 18Gbps


• HDCP 2.2 & 1.4 Compliant


• One HDMI input supports resolutions up to 4K2K@50/60Hz (4:2:0), 4K2K@60Hz (4:4:4), 1080p@120Hz HDBaseT™ over a single CAT 6/6a/7 cable up to 230ft/70m distance to 1080p or 132ft/40m distance to 4K60.


• One USB 2.0 High Speed port up to 190 Mbps


• One 3.5mm Audio Port to independently transit analog audio signal from the Transmitter to the Receiver


• Supports HDR, CEC pass through


• 24V POC (Power Over Cable) function is supported, either TX or RX is powered by 24V1A power supply, the another does not need power supply from the DC jack.


• POC power consumption is less than 10W.


• Transfer Bidirectional RS-232 control signal together with the HDMI signal.


• 3 Year Warranty