Startech HDMI over CAT5e / CAT6 Ethernet Extender with HDBaseT - 4K@115ft, 1080p@230ft - HDMI Video Transmitter and Receiver Kit w/ POC (ST121HDBTE) - Video/audio extender - over CAT 5e/6 - up to 70 m - for P/N: ST121HDBTRP, ST124HD4K, SVA12M2NEUA, SVA12M5NA
MPN ST121HDBTE EAN 0065030851107 Startech
Trade customers only
£194.43 ex VAT
£233.32 inc VAT
In stock · 4 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: ST121HDBTE
Overview
Startech HDMI over CAT5e / CAT6 Ethernet Extender with HDBaseT - 4K@115ft, 1080p@230ft - HDMI Video Transmitter and Receiver Kit w/ POC (ST121HDBTE) - Video/audio extender - over CAT 5e/6 - up to 70 m - for P/N: ST121HDBTRP, ST124HD4K, SVA12M2NEUA, SVA12M is available through DCS Components. It sits within the Display Cables & Adapters category.
Key product details
- 4K@115ft, 1080p@230ft
- HDMI Video Transmitter and Receiver Kit w/ POC (ST121HDBTE)
- Video/audio extender
- over CAT 5e/6
- up to 70 m
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: 0065030851107
Specifications
| Type | AV transmitter & receiver |
|---|---|
| Maximum resolution | 4096 x 2160 pixels |
| Cable types supported | Cat5e, Cat6 |
| Maximum transfer distance | 70 m |
| Maximum refresh rate | 60 Hz |
| Audio system | Multichannel |
| 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), 4096 x 2160 |
| Cable length | 0.1 m |
| Material | Aluminium |
| Daisy chain | No |
| Mean time between failures (MTBF) | 52000 h |
| Product colour | Black |
| Certification | CE, FCC, HDBT, TAA |
| Connectivity technology | Wired |
|---|---|
| RJ-45 input ports | 1 |
| RJ-45 output ports | 1 |
| HDMI in | 1 |
| Number of HDMI outputs | 1 |
| DC-in jack | Yes |
| AC input voltage | 110 - 240 V |
|---|---|
| Operating voltage | 12 V |
| Input current | 0.5 A |
| Output current | 1.5 A |
| Power consumption (typical) | 3 W |
| 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% |
| Width | 67 mm |
|---|---|
| Depth | 80 mm |
| Height | 25 mm |
| Weight | 428 g |
| Package width | 235 mm |
|---|---|
| Package depth | 156 mm |
| Package height | 65 mm |
| Package weight | 1.1 kg |
| AC adapter included | Yes |
|---|---|
| Cables included | LAN (RJ-45) |
| Included power plug types | AU, EU, NA, UK |
| Manual | Yes |
| Mounting brackets included | Yes |
| Grounding wire | Yes |
| Audio support | Yes |
|---|---|
| Compliance certificates | RoHS |
| Master (outer) case width | 325 mm |
|---|---|
| Master (outer) case length | 411 mm |
| Master (outer) case height | 257 mm |
| Products per master (outer) case | 12 pc(s) |
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