Aten 4K HDMI Cat6 Extender Kit with Power-Over-Cable Technology | VE1821-AT-G

As a complete end-to-end solution, the VE1821 comes as a kit that contains a transmitter and a receiver, extending HDMI signals at 4096 x 2160 / 3840 x 2160 @ 30 Hz (4 : 4 : 4) up to 40 m via a Cat 6 cable.Designed to optimize installation flexibility, the VE1821 features an ultra lightweight, palm-sized enclosure, perfect for mounting or placement in tight spaces.Crystal-clear video presentation is guaranteed thanks to its capability of transmitting 4K sources without latency. Meanwhile, it supports lossless audio formats, such as LPCM 7.1CH, Dolby TrueHD, Dolby Digital Plus, and DTS-HD Master Audio, to add superior sound to the video content, enhancing the experience for the viewers. Includes a transmitter and a receiver to work in tandem to extend 4K HDMI signals over a Cat 5e / 6 cable.

VE1821R VE1821T
Video Output 1 x HDMI Type A Female (Black) 100 Ω Max. Distance 3 m
Video
Max. Data Rate 10.2Gbps (3.4Gbps per lane)
Max. Pixel Clock 340 MHz
Compliance HDMI (3D, Deep Color, 4K)HDCP1.4 Compatible
Max. Resolutions / Distance Up to 4K@30m (Cat5e), 40m (Cat 6/ATEN 2L-2910);
*4K supported:4096 x 2160 / 3840 x 2160 @ 30Hz (4:4:4)
Audio
1 x HDMI Type A Female (Black)
IR Channel 1 x Mini Stereo Jack Female (Black); Single way bypass channel from receiver to transmitter

Connectors
Unit To Unit 1 x RJ-45 Female

Environmental
Operating Temperature 0 – 40°C.
Storage Temperature -20 – 60°C
Humidity 20 – 90% RH, Non-Condensing

Physical Properties
Housing Metal

Product Last Updated: 11/12/2025

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