Trade customers only UK business IT hardware · 01224 600337 Genuine stock · Trade pricing · Structured returns
Browse
Home Display Cables & Adapters Startech 4K HDMI over Fiber Extender Kit, 4K 60Hz up to 3300...

Startech 4K HDMI over Fiber Extender Kit, 4K 60Hz up to 3300ft/1km (Single Mode) or 1000ft/300m (Multimode) LC Fiber Optic, HDR/HDCP, Audio/RS232/IR Extender, HDMI Video Extender - Transmitter and Receiver Kit (ST121HD20FXA2) - Video/audio/infrared/network extender - HDMI - over fibre optic - fibre optic - up to 1 km

MPN ST121HD20FXA2 EAN 0065030897303 Startech
Trade customers only
£477.18 ex VAT £572.62 inc VAT
In stock · 3 available
Manufacturer datasheet →
Trade customers only: orders need a verified business account. Prices ex VAT; VAT is added at checkout.
Quote-led: a person reviews pricing and stock before you commit.
Genuine stock with the manufacturer warranty intact.
Structured returns with credit notes when something is wrong.
Questions? 01224 600337 — Aberdeen & across the UK.
Fresh data: stock and pricing updated 22 Oct 2026.

Description

Manufacturer Code: ST121HD20FXA2

Overview

Startech 4K HDMI over Fiber Extender Kit, 4K 60Hz up to 3300ft/1km (Single Mode) or 1000ft/300m (Multimode) LC Fiber Optic, HDR/HDCP, Audio/RS232/IR Extender, HDMI Video Extender - Transmitter and Receiver Kit (ST121HD20FXA2) - Video/audio/infrared/networ is available through DCS Components. It sits within the Display Cables & Adapters category.

Key product details

  • Transmitter and Receiver Kit (ST121HD20FXA2)
  • Video/audio/infrared/networ

Procurement and setup support

Available for quote while live availability remains in stock. DCS can help with procurement, compatibility checks, configuration planning, installation support and long-term managed IT lifecycle support.

EAN: 0065030897303

Specifications

Features
TypeAV transmitter & receiver
Maximum resolution4096 x 2160 pixels
Maximum transfer distance1000 m
ChipsetSiFotonics SD1503/SD1513
High Dynamic Range (HDR) supportedYes
High Dynamic Range (HDR) technologyHigh Dynamic Range 10 (HDR10)
Maximum refresh rate60 Hz
Fiber mode structureMulti-mode, Single-mode
Extended display identification data (EDID)Yes
Audio output channels7.1 channels
Electrostatic Discharge (ESD) protectionYes
Electrostatic Discharge (ESD) protection8 kV
Infrared (IR) frequency range20 - 60 kHz
LED indicatorsActivity, Power
Bandwidth18 Gbit/s
HDCPYes
Baud rate115.2 Kbit/s
HDCP version2.2
Product colourBlack
Ports & interfaces
Connectivity technologyWired
HDMI in1
Number of HDMI outputs2
HDMI version2.1
Fiber optic connectorLC
Fiber ports quantity2
USB ports quantity2
USB connector typeMicro-USB B
Serial ports quantity2
Serial interface typeRS-232
Remote (IR) input2
Remote (IR) output2
Line outputs (RCA)1
Line-inYes
DC-in jackYes
Power
AC input voltage100 - 240 V
Operating voltage5 V
Input current0.35 A
Output current1 A
Power plug typeType M
Operational conditions
Operating temperature (T-T)0 - 40 °C
Storage temperature (T-T)-20 - 60 °C
Operating relative humidity (H-H)20 - 90%
Weight & dimensions
Width68 mm
Depth134 mm
Height18 mm
Weight280 g
Packaging data
Package width200 mm
Package depth300 mm
Package height60 mm
Package weight1 kg
Packaging content
AC adapter includedYes
Quick start guideYes
IR blaster includedYes
IR receiver includedYes
Technical details
Sustainability complianceYes
Compliance certificatesCE, RoHS
Logistics data
Master (outer) case width325 mm
Master (outer) case length530 mm
Master (outer) case height402 mm
Products per master (outer) case20 pc(s)
Related

More in Display Cables & Adapters