StarTech.com · AV Extender

StarTech.com HDMI over CAT6 Extender Kit - 4K price in United Kingdom

Model ST121HD20VMPN ST121HD20VEAN 065030880084

ConnectivityWired
TypeAV transmitter & receiver
Weight156 g
ColourBlack

Lowest price incl. delivery

£99.91

at PCHUB.UKFree deliveryIn stock

2 stores
Range £99.91 – £126.99
Save up to £27.08 vs. the dearest store
2 in stock
2 with free delivery
Checked 5 Oct 2026, 18:25 UTC

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Full specifications and side-by-side comparison

Prices in United Kingdom

2 stores · prices in GBP · updated 5 Oct 2026, 18:25 UTC

Lowest price£99.91at PCHUB.UK · free shippingGo to PCHUB.UK

Price range across 2 offers

Save up to £27.08 (21%) by choosing the cheapest store

2 of 2 stores in stock
2 with free shipping
Checked 5 Oct 2026, 18:25 UTC

PCHUB.UKLowest priceStarTech.com HDMI over CAT6 Extender Kit - 4K 60Hz In stockFree shipping
£99.91incl. free shipping
Go to store : PCHUB.UK (opens in a new tab)
Back to the OfficeStarTech.com HDMI over CAT6 Extender Kit - 4K 60Hz In stockFree shipping
£126.99incl. free shipping+£27.08 (27%) vs lowest
Go to store : Back to the Office (opens in a new tab)

Ad: we may earn a commission when you buy through these links; it never changes the order, which is by total price only. Prices and stock are shown as each store states them, as of 5 Oct 2026, 18:25 UTC, and can change at any time. Taxes are included only where the store includes them.

Price history in United Kingdom

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Product details

Identification

Brand: StarTech.com
Product: HDMI over CAT6 Extender Kit - 4K
Full name: StarTech.com HDMI over CAT6 Extender Kit - 4K 60Hz
Manufacturer part number: ST121HD20V
EAN / UPC: 065030880084
Category: AV Extender

44 specifications from the manufacturer's data sheet

Features

Type	AV transmitter & receiver
Maximum resolution	3840 x 2160 pixels
Cable types supported	Cat6
Maximum transfer distance	50 m
Maximum refresh rate	60 Hz
Audio output channels	7.1 channels
HDCP	Yes
HDCP version	2.2
Supported graphics resolutions	1280 x 720 (HD 720), 1920 x 1080 (HD 1080), 1920 x 1200 (WUXGA), 2560 x 1600 (WQXGA), 3840 x 2160
Product colour	Black
Certification	CE, FCC, REACH

Ports & interfaces

Connectivity technology	Wired
RJ-45 input ports	1
RJ-45 output ports	1
HDMI in	1
HDMI version	2.0
Number of HDMI outputs	2

Power

AC input voltage	100 - 240 V
Input current	0.3 A
Operating voltage (transmitter)	12 V
Operating voltage (receiver)	12 V
Output current	1 A
Power plug type	Type M

Operational conditions

Operating relative humidity (H-H)	0 - 80%
Operating temperature (T-T)	0 - 40 °C
Storage temperature (T-T)	-20 - 60 °C

Weight & dimensions

Width	70 mm
Depth	97 mm
Height	13 mm
Weight	156 g

Packaging data

Package width	133 mm
Package depth	225 mm
Package height	75 mm
Package weight	777 g

Packaging content

Included power plug types	ANZ, EU, JP, NA, UK
Quick start guide	Yes
IR blaster included	Yes
IR receiver included	Yes

Technical details

Compliance certificates	RoHS

Logistics data

Harmonized System (HS) code	85176200
Master (outer) case width	468 mm
Master (outer) case length	385 mm
Master (outer) case height	294 mm
Products per master (outer) case	20 pc(s)