Startech HDMI Over CAT5e / CAT6 Extender - Power Over Cable - 4K 60Hz Up to 70m / 230 ft - 1080p 60Hz up to 100m / 328 ft (ST121HDBT20L) - Video/audio/infrared extender - HDMI - over CAT 5e/6 - up to 100 m - TAA Compliant
MPN ST121HDBT20L EAN 0065030877879 Startech
Trade customers only
£396.11 ex VAT
£475.33 inc VAT
In stock · 6 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: ST121HDBT20L
Overview
Startech HDMI Over CAT5e / CAT6 Extender - Power Over Cable - 4K 60Hz Up to 70m / 230 ft - 1080p 60Hz up to 100m / 328 ft (ST121HDBT20L) - Video/audio/infrared extender - HDMI - over CAT 5e/6 - up to 100 m - TAA Compliant is available through DCS Components. It sits within the Display Cables & Adapters category.
Key product details
- Power Over Cable
- 4K 60Hz Up to 70m / 230 ft
- 1080p 60Hz up to 100m / 328 ft (ST121HDBT20L)
- Video/audio/infrared extender
- HDMI
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: 0065030877879
Specifications
| Type | AV transmitter & receiver |
|---|---|
| Maximum resolution | 4096 x 2160 pixels |
| Cable types supported | Cat5e, Cat6 |
| Maximum transfer distance | 100 m |
| Audio output channels | 7.1 channels |
| LED indicators | Status |
| Supported video modes | 720p, 1080p |
| Supported graphics resolutions | 1280 x 720 (HD 720), 1920 x 1080 (HD 1080), 1920 x 1200 (WUXGA), 2560 x 1600 (WQXGA), 3840 x 2160 |
| Material | Aluminium |
| Daisy chain | No |
| Rubber feet | Yes |
| Product colour | Black |
| Connectivity technology | Wired |
|---|---|
| RJ-45 input ports | 1 |
| RJ-45 output ports | 1 |
| HDMI in | 1 |
| Number of HDMI outputs | 1 |
| Remote (IR) input | 2 |
| Remote (IR) output | 2 |
| AC input voltage | 100 - 240 V |
|---|---|
| Operating voltage | 18 V |
| Input current | 0.6 A |
| Output current | 1 A |
| External power adapter | Yes |
| Power plug type | Type M |
| Operating temperature (T-T) | 0 - 40 °C |
|---|---|
| Storage temperature (T-T) | -10 - 60 °C |
| Operating relative humidity (H-H) | 0 - 80% |
| Package width | 206 mm |
|---|---|
| Package depth | 280 mm |
| Package height | 62 mm |
| Package weight | 230 g |
| AC adapter included | Yes |
|---|---|
| Included power plug types | ANZ, EU, JP, NA, UK |
| Quick start guide | Yes |
| IR blaster included | Yes |
| IR receiver included | Yes |
| Mounting brackets included | Yes |
| Compliance certificates | CE, RoHS |
|---|
| Master (outer) case width | 323 mm |
|---|---|
| Master (outer) case length | 410 mm |
| Master (outer) case height | 275 mm |
| Products per master (outer) case | 6 pc(s) |
Related
More in Display Cables & Adapters
Startech
GC15HSF StarTech Slimline VGA HD15 Gender Changer - F/F - HD15 gender changer - VGA coupler - VGA gender changer (GC15HSF) - VGA gender changer - HD-15 (VGA) (F) to HD-15 (VGA) (F) - for P/N: DP2VGAMM6B, HD2VGAMM6, MXTMMHQ2M, MXTMMHQ30M, MXTMMHQ3M, MXTMMHQ5M, MXTMMHQ7M
£2.95 ex VAT
£3.54 inc VAT
