8K HDMI 2.1 KVM Extender Over Cat6a | 70m HDMI Extension with USB 2.0, RS232 and PoE

Extend 8K HDMI Signals and USB Control Up to 70 Meters

The EX70H21-KVM is an 8K HDMI 2.1 KVM Extender. It is built for setups where devices and operators are in different rooms.

Using one Cat6a or Cat7 cable, it extends HDMI up to 70 m (230 ft). It also supports USB 2.0, RS232 control, EDID management, and two-way PoE.

With support for 8K at 60Hz and 4K at 120Hz, the system fits control rooms and conference rooms. It also suits broadcast facilities, digital signage networks, and industrial control systems.

Key Features

8K HDMI 2.1 Extension up to 70m

Transmit HDMI 2.1 signals over Cat6a/Cat7 cable up to 70m (230ft).

Supports:

• 8K@60Hz

• 4K@120Hz

• HDR10

• Dolby Vision

• VRR

• HDCP 2.3

Ideal for high-bandwidth AV installations that require long-distance signal extension.

USB 2.0 KVM Extension

Extend keyboard, mouse, touchscreen, and USB peripherals alongside video signals.

Supports USB 2.0 data rates up to 480Mbps for remote workstation control.

One-Cable Installation with PoE

Bi-directional PoE allows either the transmitter or receiver to power the entire system.

This reduces power requirements and simplifies rack installations.

RS232 Pass-Through and EDID Management

Supports bi-directional RS232 communication for integration with control systems.

Selectable EDID settings help maintain compatibility between source devices and displays.

Supports Professional Audio Formats

Compatible with:

• Dolby Atmos

• DTS

• DTS-HD Master Audio

• Dolby Digital

• LPCM 7.1

• DSD

Suitable for AV systems where both video quality and audio performance matter.

Applications

Control Rooms

Extend 8K video and USB control between equipment racks and operator stations.

Conference Rooms

Keep PCs and media players in the rack while maintaining local keyboard and mouse control.

Digital Signage

Distribute high-resolution content to remote displays without additional signal processing hardware.

Broadcast and Monitoring Centers

Support real-time monitoring environments that require reliable video and KVM extension.

Why Choose This 8K HDMI KVM Extender?

• HDMI 2.1 Extender over Cat6a/Cat7

• 8K@60Hz and 4K@120Hz support

• 70m / 230ft transmission distance

• USB 2.0 KVM Extension

• Bi-directional PoE

• RS232 pass-through

• EDID management

• HDR10 and Dolby Vision

• Dolby Atmos and DTS support

• Plug-and-play installation