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ShopHDMI Cables & AdaptersStarTech.com HDMI Over CAT5e/CAT6 Extender with Power Over Cable - 165 ft (50m)
StarTech.com HDMI Over CAT5e/CAT6 Extender with Power Over Cable - 165 ft (50m)
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StarTech.com HDMI Over CAT5e/CAT6 Extender with Power Over Cable - 165 ft (50m)

£91.40

£109.68 inc. VAT

Out of Stock(0)MPN: ST121SHD50
🚚 Next-day delivery £4.95
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Key Features

StarTech.com HDMI Over CAT5e / CAT6 Extender with Power Over Cable
165 ft (50m) HDMI Video/Audio Over Dual Ethernet Cable Extender (ST121SHD50)
Video/audio extender
over CAT 5e/6
up to 50 m
for P/N: ST128HDMI2, SVA12M2NEUA, SVA12M5NA, VIDWALLMNT

Product Overview

AI-generated summary

If you need to get an HDMI signal over a decent distance without running a proper AV distribution setup, this StarTech HDMI over CAT5e/CAT6 extender is a practical buy. For £91.55 ex‑VAT for a 50m run, it’s good value *when your environment is straightforward* (typical office/warehouse-style cabling runs, decent CAT cable quality, not a spaghetti of adapters). In real use, the big win is convenience: you terminate one structured cable (CAT5e/6), and you’re done—useful for meeting rooms, training spaces, and one-off “screen to PC” jobs where pulling new HDMI lengths would be a headache.

That said, I wouldn’t treat it as a universal solution. HDMI-over-CAT kit is usually sensitive to signal quality and cable layout: long runs that pass alongside noisy power cables, cheap or poorly terminated CAT, or overly complex patching can cause flicker or dropouts. Also, because it’s designed for extension, it’s not the same as a full “video matrix” or anything that handles messy multi-device scenarios gracefully. If you’re doing a clean point-to-point install with decent CAT cabling, it’s a sensible purchase. If you’re expecting it to fix an unstable HDMI source, questionable cabling, or a high-interference environment, you’ll likely regret it—spend the effort on cable quality and a solid layout first.

Specifications

Features

TypeAV transmitter & receiver
Maximum resolution1920 x 1080 pixels
Cable types supportedCat5e,Cat6
Maximum transfer distance50 m
LED indicatorsPower

Ports & interfaces

Connectivity technologyWired
Ethernet LANY
RJ-45 input ports2
RJ-45 output ports2
HDMI in1

Power

AC input voltage100-240 V
Operating voltage12 V
Input current0.5 A
Output current1.5 A
Power consumption (typical)18 W

Operational conditions

Operating temperature (T-T)0 - 40 °C
Storage temperature (T-T)-10 - 60 °C
Operating relative humidity (H-H)0 - 80 %

Weight & dimensions

Receiver dimensions (WxDxH)51 x 80 x 21 mm
Receiver weight157 g
Transmitter dimensions (WxDxH)51 x 80 x 21 mm
Transmitter weight157 g

Packaging data

Package width157 mm
Package depth237 mm
Package height65 mm
Package weight935 g

Packaging content

AC adapter includedY
Cables includedHDMI
ManualY
Mounting brackets includedY

Technical details

Compliance certificatesRoHS

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