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SIIG CEH27L11S1 HDMI extender unit, metal housing, compact box form factor

SIIG, Inc

SIIG, Inc CEH27L11S1 4K@120Hz HDMI Extender 132ft Cat6/7 IR

SKU CH-8RAH-H4N52 MPN CEH27L11S1

Extends 4K@120Hz HDMI up to 132ft over Cat6/7 with bi-directional IR, HDR10, HDCP2.3 and DSC 1.2a

  • Extends 4K@120Hz HDMI up to 132ft over Cat6/7
  • Near-zero latency with DSC 1.2a compression for smooth 4K 120Hz
  • HDR10 and HDCP 2.3 support for protected 4K content
  • Bi-directional IR passes remote control signals both ways
  • EDID slide switch selects STD or TV mode for compatibility

SIIG 4K@120Hz HDMI Extender

The SIIG CEH27L11S1 extends HDMI signals up to 132ft (40m) over a single Cat6 or Cat7 cable. It supports 4K resolution at 120Hz with HDR10 and HDCP 2.3 compliance. Bi-directional IR control allows remote operation of the source or display device from either end. The metal housing provides durable protection for permanent installations.

Build integration with Cat6/7 cabling

This extender replaces a long HDMI run with standard Ethernet cabling, freeing up conduit space and simplifying cable pulls. It requires a Cat6 or Cat7 cable rated for the 132ft distance and power for both transmitter and receiver units. The EDID slide switch selects between STD and TV modes to ensure compatibility with the connected display without manual configuration.

Sustained signal performance

Display Stream Compression 1.2a maintains 4K@120Hz video quality over the full 132ft link with nearly zero latency. The hardware handles 36-bit color depth and YUV 4:4:4 chroma subsampling continuously without signal degradation. HDCP 2.3 encryption remains active throughout extended viewing sessions for protected content playback.

Highlights

  • Extends 4K@120Hz HDMI up to 132ft over Cat6/7
  • Near-zero latency with DSC 1.2a compression for smooth 4K 120Hz
  • HDR10 and HDCP 2.3 support for protected 4K content
  • Bi-directional IR passes remote control signals both ways
  • EDID slide switch selects STD or TV mode for compatibility

Specifications

No published specifications for this item yet.

Questions about this item

What is the maximum cable length before signal quality drops at 4K@120Hz?

The extender carries 4K@120Hz up to 132ft (40m) over a single Cat6/7 cable with nearly zero latency and DSC 1.2a compression.

How much heat or noise does the metal housing produce during all-day use?

The metal housing passively dissipates heat with no fan, so the unit runs silently and stays cool enough for continuous operation.

What cabling and power must already be in place for this extender to work?

You need a Cat6 or Cat7 patch cable up to 132ft, HDMI source and display, and the included power adapters for both transmitter and receiver units.

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