StarTech.com · AV Extender

StarTech.com 4K HDMI over Fiber Extender Kit, 4K price in United Kingdom

Model ST121HD20FXA2MPN ST121HD20FXA2EAN 065030897303

ConnectivityWired
TypeAV transmitter & receiver
Weight280 g
ColourBlack

Lowest price incl. delivery

£405.95

at PCHUB.UKFree deliveryIn stock

2 stores
Range £405.95 – £505.99
Save up to £100.04 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£405.95at PCHUB.UK · free shippingGo to PCHUB.UK

Price range across 2 offers

Save up to £100.04 (20%) 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 4K HDMI over Fiber Extender Kit. 4K 60Hz up to 3300ft/1km In stockFree shipping
£405.95incl. free shipping
Go to store : PCHUB.UK (opens in a new tab)
Back to the OfficeStarTech.com 4K HDMI over Fiber Extender Kit, 4K 60Hz up to 3300ft/1km (Single Mode) or 1000ft/300m (Multimode) LC Fiber Optic, HDR, HDCP, 3.5mm Audio/RS232/IR Extender, Transmitter and Receiver Kit In stockFree shipping
£505.99incl. free shipping+£100.04 (25%) 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: 4K HDMI over Fiber Extender Kit, 4K
Full name: StarTech.com 4K HDMI over Fiber Extender Kit, 4K 60Hz up to 3300ft/1km (Single Mode) or 1000ft/300m (Multimode) LC Fiber Optic, HDR, HDCP, 3.5mm Audio/RS232/IR
Manufacturer part number: ST121HD20FXA2
EAN / UPC: 065030897303
Category: AV Extender

60 specifications from the manufacturer's data sheet

Features

Type	AV transmitter & receiver
Maximum resolution	4096 x 2160 pixels
Chipset	SiFotonics SD1503/SD1513
Maximum transfer distance	1000 m
High Dynamic Range (HDR) supported	Yes
High Dynamic Range (HDR) technology	High Dynamic Range 10 (HDR10)
Fiber mode structure	Multi-mode, Single-mode
Maximum refresh rate	60 Hz
Extended display identification data (EDID)	Yes
Audio output channels	7.1 channels
Electrostatic Discharge (ESD) protection	Yes
Electrostatic Discharge (ESD) protection	8 kV
Infrared (IR) frequency range	20 - 60 kHz
Bandwidth	18 Gbit/s
Baud rate	115.2 Kbit/s
HDCP	Yes
HDCP version	2.2
LED indicators	Activity, Power
Product colour	Black

Ports & interfaces

Connectivity technology	Wired
HDMI in	1
HDMI version	2.1
Number of HDMI outputs	2
Fiber optic connector	LC
Fiber ports quantity	2
USB ports quantity	2
USB connector type	Micro-USB B
Line outputs (RCA)	1
Line-in	Yes
Remote (IR) input	2
Remote (IR) output	2
Serial interface type	RS-232
Serial ports quantity	2
DC-in jack	Yes