Overview

4K HDMI Extender Over Cat6 with IR Control and 120m Range
The Lenkeng CNV-LKV483PRO HDMI extender is engineered for reliable long-distance signal transmission without compromising image quality. Designed for professional AV setups, it delivers stable 4K at 60Hz performance over standard network cabling, making it suitable for environments such as digital signage, control rooms, and home theatre installations. With support for HDMI 2.0 and a high bandwidth of 18Gbps, it ensures smooth, high-definition playback with minimal latency.

Description

The CNV-LKV483PRO HDMI extender enables seamless transmission of ultra high definition video and audio signals over Cat5e or Cat6 cables up to 120 meters. It supports 4K at 60Hz resolution with low latency, ensuring clear and responsive output for demanding applications. Built with durable aluminium housing and equipped with IR passback functionality, it allows remote control of source devices from the display location. Its compatibility with one-to-one and one-to-many configurations provides flexibility for scalable AV distribution systems.

Features

Long Distance 4K Signal Transmission
This HDMI extender allows you to extend high-resolution signals far beyond standard HDMI cable limitations. Using Cat6 cabling, it reaches up to 120 meters while maintaining signal integrity. Lower cable grades such as Cat5 and Cat5e are also supported for shorter distances.

• Cat6 up to 120m
• Cat5e up to 100m
• Cat5 up to 80m
• HDMI input cable length up to 5m

4K Ultra HD Performance with Low Latency
Built to handle demanding video requirements, the device supports a wide range of resolutions, including full 4K at 60Hz. It maintains low transmission latency, making it suitable for real-time applications where responsiveness matters.

• Maximum resolution up to 4096x2160 at 60Hz
• Supports 3840x2160 at multiple refresh rates
• Backward compatible with 1080p and lower resolutions
• Latency ranges from 80 to 220ms depending on resolution

Flexible Installation and Connectivity Options
The CNV-LKV483PRO supports both direct one-to-one connections and expanded one-to-many configurations when used with a gigabit network switch. This makes it adaptable for both simple and complex AV distribution systems.

• One-to-one direct connection
• One-to-many distribution via network switch
• HDMI loop-out on transmitter for local display

IR Passback for Remote Device Control
Integrated IR passback allows control signals to travel along with the HDMI transmission, enabling users to operate source devices remotely from the display side.

• IR frequency range 20kHz to 60kHz
• Receiving range up to 5 meters

Stable and Durable for Continuous Operation
Designed for long-term use, the unit supports continuous 24/7 operation with built-in protections against electrical interference and environmental stress.

• ESD protection with IEC61000-4-2 compliance
• Lightning and surge protection
• Aluminium housing for durability
• Operating temperature from -20 to 60 degrees C

Technical Details and System Compatibility
The extender is compatible with modern HDMI standards and supports a broad range of display formats and audio output types.

• HDMI 2.0 and HDCP 1.4 and 2.2 compliant
• Maximum bandwidth of 18Gbps
• Audio output LPCM 2.0
• Power supply DC 5V 1A
• Power consumption TX up to 3W RX up to 3W

Physical Characteristics
Compact and easy to install, the unit is designed to fit into various AV environments without taking up excessive space.

• Dimensions 130 x 84 x 23.2 mm
• ?? TX 200g RX 196g
• ???? Black

Reliable 4K HDMI Extension Solution
For installers and users seeking a dependable long-distance HDMI extension system, the Lenkeng CNV-LKV483PRO provides a balance of performance, flexibility, and durability. Its ability to transmit 4K signals over extended distances with IR control and scalable connectivity makes it a practical solution for both commercial and residential AV applications.

Specifications

©2026 Respective owners and brand holders. This table has been carefully researched and generated by ComXpert International CC (//www.comx.co.za), however, errors and omissions may occur. Only references to South Africa apply. All products are sourced in South Africa from the official suppliers and the warranty is that of the local supplier. E&OE. This table and our site's content may be used on condition that this notice and link remains intact and unaltered.
Specifications
Product Code	CNV-LKV483PRO
HDMI length	≤ 5m
Maximum transfer rate	18Gbps
Compatibility	HDMI 2.0 , HDCP 1.4/HDCP 2.2
Resolutions	4096x2160@24/30/50/60Hz , 3840x2160@24/30/50/60Hz , 1080P@24/25/30/50/60Hz , 720P@50/60Hz , 576P@60Hz , 480P@60Hz , 1920x1200 , 1680x1050 , 1600x900 , 1280x1024 , 1280x960 , 1280x720 , 1024x768 , 800x600
Connection types	One-to-one connection
	One-to-many connection
Transmission distance	CAT5 80m / CAT5E 100m / CAT6 120m
Transmission latency	1080P: 80~130ms
	4K@60Hz: 150~220ms
HDMI output	LPCM 2.0
IR receiving range	≤ 5m
IR frequency	20kHz~60kHz
Power Supply	DC 5V/1A
Power Consumption	TX ≤ 3W , RX ≤ 3W
Working temperature	- 20degreesC~60degreesC
Storage temperature	- 30degreesC~70degreesC
Humidity	0~90%RH (no condensation)
Housing	Aluminium
Weight	TX : 200g , RX : 196g
Color	Black
Dimensions	130.0(L)*84.0(W)*23.2(H)mm
Protection	ESD protection
	1a Contact discharge level 2 (±4KV)
	1b Air discharge level 3 (±8KV)
	Implementation of the standard: IEC61000-4-2
	Lightning protection, Surge protection