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StarTech.com ST121HDBTPW HDMI over CAT5 HDBaseT Extender - Power over Cable - Ultra HD 4K
- Use this HDBaseT extender to extend your HDMI signal up to 330ft. over CAT5 with only a single power adapter
- Works with HDMI video source devices such as Blu-ray players & cable boxes and HDMI displays
- Compatible with HDBaseT extension systems
- HDBaseT extender / HDMI extender / HDMI over CAT5e / Power Over Cable HDMI Extender / HDMI over CAT5e / CAT6 Ethernet Extender
- Power over cable means the remote receiver doesn't require power so you can extend to areas with limited power outlets
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Overview
Specs
Reviews (5)
Extend HDMI up to 330ft over CAT 5/CAT 6 cable, while using only a single power
Warranty & Returns
Warranty, Returns, And Additional Information
Return Policies*
- Return for refund within: 30 days
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- Read full return policy for details.
- *Subject to applicable law
Warranty Notice:
This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-800-265-1844
- Support Email: support@startech.com
- Support Website
- View other products from STARTECH
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The StarTech.com ST121HDBTPW is an HDMI-over-CAT5e HDBaseT extender for sending video up to 330 ft (100 m), with support for resolutions up to 4K. It suits home theater, office, and AV installations that need to connect an HDMI source to a distant display over Ethernet cabling.
Recommended For
- AV installers extending a source to a conference-room or classroom display over existing Cat5e/Cat6 cabling, especially when the receiver end has limited access to power.
- Digital-signage operators in large buildings who need to send a 1080p signal from a central source to a distant display over one Cat5e/Cat6 cable, up to 100 m (330 ft).
- Event and venue teams setting up a trade-show demo or video-wall connection where the source and display are far apart and a single power supply for both extender units simplifies setup.
- Installers extending 4K video to a nearby display over structured cabling, provided the run is within about 35 m (115 ft) and 4K at 30 Hz meets the project’s needs.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Extending an HDMI source to a display over Cat 5e UTP or better, with supported resolutions up to 4K and a maximum distance of 100 m (330 ft) |
| Video, Audio And HDBaseT Compatibility | Supports 3840 × 2160 (4K), 2560 × 1600, 1920 × 1200, 1920 × 1080 (1080p) and 1280 × 720 (720p), with 7.1 surround sound; compatible with HDBaseT extension systems |
| Ports And Cabling | HDMI output signal with HDMI and RJ-45 connectors on both transmitter and receiver; uses Cat 5e UTP or better cabling |
| Power And Indicators | Power over cable lets the remote receiver operate without a separate power connection; includes one power adapter with 100–240 V AC input, 12 V DC output, 0.5 A input current and 1.5 A output current; status LEDs on transmitter and receiver |
| Physical Specifications | Aluminum enclosure; 3.1 × 2.6 × 1 in; 0.95 lb |
| Included Accessories | HDMI extender and receiver, power adapter, 4 ft (1 m) Cat5e cable, mounting brackets, foot pads, grounding wires, screw sets and instruction manual |
| Model Identifiers | StarTech.com ST121HDBTPW |




























