CNV-LKV676CASCADE-RX

Overview

Product Overview

The Lenkeng LKV676 4K@60Hz HDR HDMI KVM extender is a high-performance point-to-point solution designed for long-distance HDMI signal transmission with zero latency. Using standard CAT6/6A/7 network cabling, it enables stable transmission of ultra-high-definition video and control signals up to 70 meters. The system is engineered for professional AV environments where reliability, resolution quality, and flexible deployment are essential, including control rooms, digital signage, and multi-display setups.

Description

The LKV676 system delivers 4K UHD video at 60Hz with HDR support while maintaining signal integrity over extended distances. It combines HDMI extension, KVM control, and audio extraction capabilities in a compact and durable design. With support for cascade deployment of up to 10 receivers, it allows scalable multi-display configurations without signal degradation. It also supports bi-directional IR control, advanced audio formats, and EDID passback for seamless integration across complex AV systems.

Part Number / SKU: CNV-LKV676CASCADE-RX

Features

High-Performance Signal Extension and Cascade Capability
This HDMI over IP-style extender is built for demanding installations requiring both reach and scalability. The receiver unit can operate independently or as part of a cascaded system, supporting up to 10 receivers from a single transmitter. This makes it suitable for distributed display networks such as retail signage, corporate environments, and surveillance monitoring systems.

Key capabilities include:

• 4K UHD resolution at up to 60Hz
• Transmission distance up to 70m over CAT6/6A/7 cable
• Support for cascading up to 10 receivers
• Zero latency signal transmission for real-time applications
• Auto-adjustment for display resolution compatibility

Audio and Video Performance Support
The system supports advanced HDMI 2.0 and HDCP 2.2 standards, ensuring compatibility with modern content protection and high-bandwidth video sources. HDR (YUV 4:4:4 ) support ensures accurate colour reproduction and enhanced contrast for professional-grade visual output.

Audio compatibility includes:

• LPCM
• DTS-HD and DTS audio
• Dolby TrueHD 7.1 channel
• Dolby Digital 5.1 channel

Additionally, the receiver supports S/PDIF audio extraction from the transmitter, enabling flexible integration into external audio systems.

Control, Connectivity and Signal Management
Designed for professional control environments, the LKV676 includes bi-directional IR passback functionality (20-60KHz), allowing remote control of source devices from the receiver side or vice versa. EDID passback ensures optimal resolution negotiation between source and display devices, reducing compatibility issues.

Core signal and control functions include:

• HDMI 2.0 and HDCP 2.2 compliance
• Bi-directional IR control support
• EDID passback for display compatibility
• One HDMI loop-out support on transmitter side
• KVM functionality for remote system control

Installation Flexibility and Network Performance
The system is designed for straightforward deployment using standard structured cabling. It supports cable lengths up to 8m on HDMI input/output (AWG24 ) and up to 70m over CAT6/6A/7 infrastructure. The first receiver in a cascade can be powered directly via the network cable from the transmitter, reducing cabling complexity in specific setups.

Environmental and Physical Characteristics
Built for industrial and commercial environments, the device is housed in a durable aluminium alloy chassis with a crystal panel finish. It includes protection against lightning surges, static discharge, and electrical interference, ensuring stable operation in demanding conditions.

Environmental and physical details:

• Operating temperature range: -20 to 60degreesC
• Storage temperature range: -30 to 70degreesC
• Humidity tolerance: 0 to 90 percent non-condensing
• Dimensions: 106 x 99 x 26.2 mm
• Weight: 210g (TX), 210g (RX)
• Power supply: DC 5V 2A
• Power consumption: under 4W per unit

The LKV676 CASCADE receiver model is engineered for scalable, high-resolution HDMI distribution where reliability, distance, and system flexibility are critical.

Specifications

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Specifications
Product Code	CNV-LKV676CASCADE-RX
Voltage/Current	DC5V 2A
Power Consumption	TX
HDMI Compliance	HDMI 2.0
HDCP Compliance	HDCP 2.2
HDMI Resolution	3840x160 @24/25/30/50/60Hz
Supports Audio Formats	LPCM / DTS-HD / DTS-Audio /Dolby TrueHD 7.1CH / Dolby Digital 5.1CH
Input and Output DDC Signal	0.7~1.2Vp-p (TMDS)
Input and Output DDC Signal	5Vp-p (TTL)
Input Cable Length	=8m (AWG24)
Output Cable Length	=8m (AWG24)
CAT6/6A/7	=70m
Electrostatic Protection	1a Contact Discharge level 3, 1b Air Discharge Level 3, Implementation of the Standard: IEC61000-4-2
Working Temperature	-20~60C
Storage Temperature	-30~ 70C
Humidity (No Condensation)	0~90% RH
Dimensions (L ?W ?H)	106 ?99 ?26.2mm
Material	Aluminium-Alloy and Crystal Panel
Colour	Black
Weight	TX 210g, RX 210g