ATEN True 4K HDMI/USB HDBaseT 3.0 Transceiver

VE1843

Extends uncompressed True 4K HDMI signals up to 100 m over a single Cat 6a cable (HDBaseT 3.0 Certified Cat 6a U/ FTP cable* / ATEN 2L-29330 Cat 6a cable) with zero latency
Compliant with HDBaseT 3.0 standards – transmits high-quality video, full range IR, bi-directional RS-232, Gigabit, Ethernet, independent stereo audio and USB 2.0 signals channel bypass
Superior video quality – up to 4096 x 2160 @ 60 Hz (4:4:4); HDR, HDR+, Dolby Vision supported
Supports HDMI audio embedding / de-embedding functions

The ATEN VE1843 True 4K HDMI/USB HDBaseT 3.0 Transceiver is a versatile AV extension solution that combines transmitter and receiver functionality in a single device. This flexible design allows users to configure the unit as either a transmitter or receiver, simplifying deployment and maximizing compatibility with video matrix switches, splitters, and other professional AV systems.

Powered by HDBaseT 3.0 technology, the VE1843 extends True 4K uncompressed video signals up to 100 meters over a single Cat 6a cable with zero latency. In addition to HDMI video, it supports transmission of USB, Ethernet, RS-232, IR, independent audio, and control signals, making it an ideal solution for complex AV installations. Support for HDCP 2.3, HDR, HDR10+, Dolby Vision, Deep Color, and 3D ensures exceptional image quality and reliable performance.

The VE1843 also features HDMI audio embedding and de-embedding, allowing flexible audio integration for various environments. With its fanless fin heat sink design, the unit operates quietly while preventing overheating and enhancing long-term reliability. It is an ideal solution for conference halls, auditoriums, lecture halls, museums, exhibition spaces, and other professional AV environments requiring high-performance signal extension.

Key Features

True 4K HDMI / USB HDBaseT 3.0 Transceiver
Functions as both a transmitter and receiver in one device
Extends True 4K uncompressed HDMI signals up to 100m
HDBaseT 3.0 technology with zero-latency transmission
Supports USB, Ethernet, RS-232, IR, and independent audio signals
HDMI audio embedding and de-embedding functionality
Supports HDCP 2.3, HDR, HDR10+, Dolby Vision, Deep Color, and 3D
Delivers high-quality video and audio over a single Cat 6a cable
Fanless heat sink design for silent and reliable operation
Simplifies AV system deployment and reduces hardware requirements
Compatible with professional AV matrix switchers and distribution systems
Ideal for conference rooms, auditoriums, museums, lecture halls, and exhibition environments
Reliable long-distance AV extension with advanced control capabilities

Video Input
Interfaces	1 x HDMI Type A Female (Black)
Impedance	100 Ω
Max. Distance	5 m
Video Output
Interfaces	1 x HDMI Type A Female (Black)
Impedance	100 Ω
Max. Distance	5 m
Video
Max. Data Rate	18Gbps (6Gbps per lane)
Max. Pixel Clock	600 MHz
Compliance	HDMI (3D, Deep Color, 4K/60Hz); 4K HDR HDCP2.2/2.3 Compatible Consumer Electronics Control (CEC)* *The CEC signals are only bypassed from the transmitter unit to the receiver unit and do not support local output.
Max. Resolution	4096 x 2160 @ 60Hz (4:4:4) 3840 x 2160 @ 60Hz (4:4:4)
Max. Resolutions / Distance	Up to 4K x 2K @ 60Hz (4:4:4) @100m (HDBaseT3 Certified Cat 6a U/FTP cable / ATEN’s tailor-made HDBaseT cable) Up to 1080P@150m @Long reach mode (Cat 6/ 6a or above cable)
Audio
Input	1 x HDMI Type A Female (Black) 1 x Stereo Audio ( mini stereo Jack female , Green)
Output	1 x HDMI Type A Female (Black) 1 x Stereo Audio ( mini stereo Jack female , Green)
Connectors
Unit To Unit	1 x RJ-45 Female
Power	1 x DC Jack (Black) with locking
Control
RS-232 Channel	Connector: 1 x Terminal Block, 3 pole Baud Rate: 19200, Data Bits:8, Stop Bits:1, no parity and flow control
IR Channel	1 x Mini Stereo Jack Female, (Bi-directional, Black) 30K ~56KHz full range transmission
Ethernet Channel	1 x GbE (RJ45 Female)
USB Channel	1 x USB2.0 Type B Female (White, Host) 1 x USB2.0 Type A Female (White, Device) Transmission data bandwidth: Up to 300Mbps
Power Consumption	DC12V:6.45W:40BTU/h Note: ● The measurement in Watts indicates the typical power consumption of the device with no external loading. ● The measurement in BTU/h indicates the power consumption of the device when it is fully loaded.
Switches
Selection	1 x Slide Switch – TX (Be a Transmitter) / RX (Be a Receiver) selection
Mode Selection	1 x Slide Switch – HDMI Audio embed or De-embed ON/OFF selection
Firmware Upgrade	1 x Slide Switch – ON/OFF
Long Reach Mode Switch	1 x Slide Switch – ON/OFF
LEDs
Power	1 x TX (Transmitter, Green) 1 x RX (Receiver ,Green) NOTE: The TX or RX LED lights to indicate which role the VE1843 is set to.
Link	1 x TX (Transmitter, Orange) 1 x RX (Receiver, Orange)
Video Output	1 x RX HDMI OUT (Receiver, Orange)
Video Input	1 x Tx HDMI IN (Transmitter, Orange)
Environmental
Operating Temperature	0 – 40°C
Storage Temperature	-20 – 60°C
Humidity	0 – 80% RH, Non-Condensing
Physical Properties
Housing	Metal
Weight	0.64 kg ( 1.41 lb )
Dimensions (L x W x H)	17.15 x 15.09 x 3.00 cm (6.75 x 5.94 x 1.18 in.)
Note	For some of rack mount products, please note that the standard physical dimensions of WxDxH are expressed using a LxWxH format.

Input Resolutions	4096 x 2160p 24/25/30/50/60Hz	1920 x 1200 @ 60Hz
	3840 x 2160p 24/25/30/50/60Hz	1920 x 1200 @ 60Hz (Reduced Blanking)
	3840 x 2400p 60Hz 4:4:4	1600 x 1200 @ 60Hz
	3840 x 2160p 50/60Hz 4:2:0	1920 x 1080 @ 60/120/240Hz
	4096 x 2160p 50/60Hz 4:2:0	1680 x 1050 @ 60Hz
	2560 x 1440 @ 60Hz	1400 x 1050 @ 60Hz
	2560 x 1440 @ 75Hz	1400 x 900 @ 60Hz
	1080p 24/25/30/50/60Hz	1280 x 1024@ 60/75Hz
	1080i 50/60Hz	1280 x 800 @ 60Hz
	720p 50/60Hz	1024 x 768 @ 60/70/75Hz
	576p 50Hz (4:3)/(16:9)	800 x 600 @ 56/60/72/75Hz
	480p 60Hz (4:3)/ (16:9)	720 x 400 @ 70Hz
		640 x 480 @ 60/67/72/75Hz