4K60 4:4:4 HDMI over DGKat 2.0 Twisted Pair Extender kit

The Kramer PT-871/2XR-KIT is a compact, long-reach DGKat™ 2.0 extender kit designed to carry 4K HDMI and HDCP 2.2 signals over twisted-pair cabling. Its PT-871xr transmitter converts the incoming HDMI signal to DGKat 2.0, while the PT-872xr receiver converts it back to HDMI at the destination. The system supports an 18Gbps bandwidth, HDR10, and refresh rates up to 60Hz. It also provides two-way powering over the twisted-pair connection, helping simplify deployments in which the source and display are separated by substantial distance.

Ideal Use Cases

This kit is suited to installations that need high-resolution HDMI distribution beyond the practical reach of a conventional HDMI cable. It can connect an HDMI source to a remotely located display while maintaining 4K@60Hz video with 4:4:4 chroma sampling. That capability is particularly relevant when detailed text, fine graphics, and full-color source material must remain clear at the display.

The available transmission distances support a range of room layouts. With Kramer shielded cables, the kit extends 4K@60Hz 4:4:4 signals up to 60m (200ft). For applications operating at 4K@30Hz 4:4:4 and 24bpp, reach increases to as much as 70m (230ft).

Why Choose This Model

The PT-871/2XR-KIT combines long-reach signal extension with support for demanding HDMI content. Its 18Gbps bandwidth accommodates 4K@60Hz 4:4:4 transmission, while HDR10 support enables compatible high-dynamic-range video. HDCP 2.2 signal support also makes the kit appropriate for protected HDMI content that uses that standard.

Two-way powering over twisted pair is another practical advantage. Power can be delivered through the link between the transmitter and receiver, reducing the complexity associated with placing extender components at opposite ends of an installation. The transmitter and receiver are purpose-built as a matched conversion path from HDMI to DGKat 2.0 and back to HDMI.

Installation and Integration

Installation begins at the source, where the PT-871xr transmitter accepts the HDMI input and converts it to DGKat 2.0. A twisted-pair connection carries that signal to the PT-872xr receiver, which restores the signal to HDMI for connection to the destination display. This direct signal path makes the roles of the two units clear during system planning and installation.

Cable selection is important when designing for the stated maximum distances. The published reach figures apply when using Kramer shielded cables: up to 60m (200ft) for 4K@60Hz 4:4:4 and up to 70m (230ft) for 4K@30Hz 4:4:4 24bpp. The source data identifies Kramer C-UNIKAT CAT6A U/FTP cable assemblies and BC-UNIKAT CAT6A U/FTP bulk cable among the associated cable options. The final cable route and required video format should therefore be considered together before selecting the link length.

Performance Highlights

• Supports 4K@60Hz video with 4:4:4 chroma sampling.
• Extends 4K@60Hz 4:4:4 signals up to 60m (200ft) over Kramer shielded cables.
• Extends 4K@30Hz 4:4:4 24bpp signals up to 70m (230ft) over Kramer shielded cables.
• Provides 18Gbps bandwidth and refresh rates up to 60Hz.
• Supports HDR10 and HDCP 2.2 signals.
• Delivers two-way powering over the twisted-pair link.

What Makes It Different

This model is differentiated by the combination of full 4K@60Hz 4:4:4 transmission, 18Gbps bandwidth, HDR support, and long-distance twisted-pair extension. The increased 70m reach available for 4K@30Hz 4:4:4 24bpp also gives system designers a clearly defined alternative when a longer cable path matters more than a 60Hz refresh rate.

Its compact transmitter-and-receiver arrangement keeps conversion functions separated by location: HDMI enters at the PT-871xr, DGKat 2.0 travels across the long-reach link, and HDMI exits from the PT-872xr. This configuration addresses remote-display installations without changing the HDMI connection presented to the source or destination.

Final Assessment

The PT-871/2XR-KIT is a focused solution for extending high-bandwidth HDMI across long twisted-pair runs. It is best matched to systems requiring 4K@60Hz 4:4:4, HDR10, HDCP 2.2, and up to 60m of reach, or installations that can use 4K@30Hz 4:4:4 24bpp to reach up to 70m. Two-way powering and the matched DGKat 2.0 transmitter and receiver complete a capable point-to-point extension kit.