
The Story
Lenkeng 70m 4x1 HDMIKVM 4096x2160@60Hz Extender Switch LKV441EX
This is a 4-in-1-out ultra-high-definition KVM extender switch, comprises a transmitting end and a receiving end. It supports 4 HDMIÂ signal inputs and 1 HDMI signal output, the 4K@60Hz HDMI signal can be extended to 70 meters through CAT6 or above network cable,the highest resolution is 4K@60Hz and is backward compatible, supports KVM control. A variety of control methods (IR remote control, button and RS-232) can easily switch the content of the 4 HDMI signal sources to the display. The product is widely used in security
monitoring, education and training, exhibitions and broadcasting, command centers, etc.
- Extends HDMI signal and USB keyboard/mouse control up to 70 metres over a single network cable
- Supports ultra-high 4K resolution up to 4096×2160 at 60Hz for sharp, detailed visuals
- 4 HDMI input ports allow switching between four source devices from one display station
- Built-in KVM functionality lets you control multiple computers using one keyboard and mouse
- Smooth and seamless source switching without unplugging cables
- Stable long-distance transmission using CAT6/6A/7 network cables
- Ideal for control rooms, server rooms, offices, and digital signage management
- Front panel controls provide simple and convenient device switching
- Designed for professional environments requiring remote system access
- Reliable performance with low latency for responsive control
Specifications
Voltage/Current:Â DC 5V/1A
Power Consumption:Â TX <4W, RX <4W
HDMI Compliance:Â HDMI 2.0 (HDR, YUV 4:4:4)
HDCP Compliance:Â HDCP 2.2 and HDCP 1.4
HDMI Resolution: 480i@60Hz, 480p@60Hz, 576i@50Hz, 576p@50Hz, 720p@50/60Hz, 1080i@50/60Hz, 1080p@50/60Hz, 3840×2160@24/25/30/50/60Hz, 4096×2160@24/25Hz, 3440×1440, 2560×1600, 2560×1440, 1920×1200, 1680×1050, 1600×900, 1366×768, 1360×768, 1280×960, 1280×800, 1280×768, 1024×768, 800×600
Supported Audio Formats:Â LPCM 7.1, DTS-HD, DTS Audio, Dolby Digital Plus, Dolby TrueHD 5.1, Dolby Digital, Dolby Atmos
Transmission Speed:Â 18Gbps
Video Bandwidth:Â 600MHz
HDMI Port:Â 4x HDMI inputs
RJ45 Port:Â 1x RJ45 port
RS-232:Â 3 pin (GND/RxD/TxD), baud rate 9600
CAT6/6A/7 Transmission Distance: ≤70m
≤40m at 4096×2160@24/25/30Hz, 3440×1440, 2560×1600, 2560×1440
Electrostatic Protection:
Contact discharge level 2
Air discharge level 3
Standard:Â IEC61000-4-2
Lightning and surge protection
Working Temperature: -20 to 60°C
Storage Temperature: -30t o 70°C
Humidity (No Condensation): 0–90% RH
Dimensions:
- TX: 250 × 80 × 25 mm
- RX: 106 × 103 × 25 mm
- Material:Â Iron
- Colour:Â Black
- Weight:Â TX: 542g, RX: 298g

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Lenkeng 70m 4x1 HDMIKVM 4096x2160@60Hz Extender Switch LKV441EX
This is a 4-in-1-out ultra-high-definition KVM extender switch, comprises a transmitting end and a receiving end. It supports 4 HDMIÂ signal inputs and 1 HDMI signal output, the 4K@60Hz HDMI signal can be extended to 70 meters through CAT6 or above network cable,the highest resolution is 4K@60Hz and is backward compatible, supports KVM control. A variety of control methods (IR remote control, button and RS-232) can easily switch the content of the 4 HDMI signal sources to the display. The product is widely used in security
monitoring, education and training, exhibitions and broadcasting, command centers, etc.
- Extends HDMI signal and USB keyboard/mouse control up to 70 metres over a single network cable
- Supports ultra-high 4K resolution up to 4096×2160 at 60Hz for sharp, detailed visuals
- 4 HDMI input ports allow switching between four source devices from one display station
- Built-in KVM functionality lets you control multiple computers using one keyboard and mouse
- Smooth and seamless source switching without unplugging cables
- Stable long-distance transmission using CAT6/6A/7 network cables
- Ideal for control rooms, server rooms, offices, and digital signage management
- Front panel controls provide simple and convenient device switching
- Designed for professional environments requiring remote system access
- Reliable performance with low latency for responsive control
Specifications
Voltage/Current:Â DC 5V/1A
Power Consumption:Â TX <4W, RX <4W
HDMI Compliance:Â HDMI 2.0 (HDR, YUV 4:4:4)
HDCP Compliance:Â HDCP 2.2 and HDCP 1.4
HDMI Resolution: 480i@60Hz, 480p@60Hz, 576i@50Hz, 576p@50Hz, 720p@50/60Hz, 1080i@50/60Hz, 1080p@50/60Hz, 3840×2160@24/25/30/50/60Hz, 4096×2160@24/25Hz, 3440×1440, 2560×1600, 2560×1440, 1920×1200, 1680×1050, 1600×900, 1366×768, 1360×768, 1280×960, 1280×800, 1280×768, 1024×768, 800×600
Supported Audio Formats:Â LPCM 7.1, DTS-HD, DTS Audio, Dolby Digital Plus, Dolby TrueHD 5.1, Dolby Digital, Dolby Atmos
Transmission Speed:Â 18Gbps
Video Bandwidth:Â 600MHz
HDMI Port:Â 4x HDMI inputs
RJ45 Port:Â 1x RJ45 port
RS-232:Â 3 pin (GND/RxD/TxD), baud rate 9600
CAT6/6A/7 Transmission Distance: ≤70m
≤40m at 4096×2160@24/25/30Hz, 3440×1440, 2560×1600, 2560×1440
Electrostatic Protection:
Contact discharge level 2
Air discharge level 3
Standard:Â IEC61000-4-2
Lightning and surge protection
Working Temperature: -20 to 60°C
Storage Temperature: -30t o 70°C
Humidity (No Condensation): 0–90% RH
Dimensions:
- TX: 250 × 80 × 25 mm
- RX: 106 × 103 × 25 mm
- Material:Â Iron
- Colour:Â Black
- Weight:Â TX: 542g, RX: 298g














