StarTech.com · AV Extender

StarTech.com HDMI over CAT5e HDBaseT Extender - 4K - TAA price in United Kingdom

Model ST121HDBTPWMPN ST121HDBTPWEAN 5054629435328EAN 065030854177

TypeAV transmitter & receiver
Weight423 g
ColourBlack
RJ-45 input ports1

Lowest price incl. delivery

£254.03

at PCHUB.UKFree deliveryIn stock

2 stores
Range £254.03 – £313.99
Save up to £59.96 vs. the dearest store
2 in stock
2 with free delivery
Checked 5 Oct 2026, 18:25 UTC

Ad · prices and stock as last reported by the store; the store's checkout is what counts.

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£254.03at PCHUB.UK · free shippingGo to PCHUB.UK

Price range across 2 offers

Save up to £59.96 (19%) 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 CAT5e HDBaseT Extender - 4K - TAA In stockFree shipping
£254.03incl. free shipping
Go to store : PCHUB.UK (opens in a new tab)
Back to the OfficeStarTech.com HDMI over CAT5e HDBaseT Extender - 4K - TAA In stockFree shipping
£313.99incl. free shipping+£59.96 (24%) 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

Price history is being collected. After 14 days of prices we will show whether today's price is good.

Product details

Identification

Brand: StarTech.com
Product: HDMI over CAT5e HDBaseT Extender - 4K - TAA
Full name: StarTech.com HDMI over CAT5e HDBaseT Extender - 4K - TAA
Manufacturer part number: ST121HDBTPW
EAN / UPC: 5054629435328, 065030854177, 617407483963, 650308541776, 690025794925, 803982802545, 971500568379, 5054484600916
Category: AV Extender

51 specifications from the manufacturer's data sheet

Features

Type	AV transmitter & receiver
Maximum resolution	4096 x 2160 pixels
Cable types supported	Cat5e, Cat6
Maximum transfer distance	100 m
Maximum refresh rate	60 Hz
Audio system	Multichannel
Audio output channels	7.1 channels
Daisy chain	No
LED indicators	Status
Material	Aluminium
Rubber feet	Yes
Supported graphics resolutions	1280 x 720 (HD 720), 1920 x 1080 (HD 1080), 1920 x 1200 (WUXGA), 2560 x 1600 (WQXGA), 3840 x 2160, 4096 x 2160
Supported video modes	720p, 1080p, 2160p
Product colour	Black
HDBaseT certified	Yes
Certification	CE, FCC, TAA

Ports & interfaces

RJ-45 input ports	1
RJ-45 output ports	1
HDMI in	1
Number of HDMI outputs	1
DC-in jack	Yes

Power

AC input voltage	100-240 V
Operating voltage	12 V
Input current	0.5 A
Output current	1.5 A
Power consumption (typical)	18 W
External power adapter	Yes
Power plug type	Type M