Gefen 4K Ultra HD ELR-POL HDMI Extender with RS-232, Ethernet & 2-Way IR is a professional HDBaseT-based AV extension system designed to transmit 4K Ultra HD video, embedded audio, Ethernet, RS-232 serial control, and bidirectional IR over a single CAT-5e or CAT-6 cable. It is ideal for digital signage, conference rooms, classrooms, command centers, home theater installations, and commercial AV systems where equipment must be located remotely from the display.
CONDITION: This unit is untested and sold as-is. Cosmetic wear may be present from previous use. Power adapter, IR emitter/receiver, RS-232 adapter cables, mounting brackets, manuals, and original packaging are included only if shown in the listing photos.
Key Specifications
| Specification | Details |
|---|---|
| Manufacturer | Gefen |
| Model | EXT-UHD-CAT5-ELRPOL |
| Product Type | HDMI Extender over HDBaseT |
| Video Resolution | Up to 4K Ultra HD (3840 × 2160) @ 60 Hz (4:2:0) |
| Maximum Distance | Up to 330 ft (100 m) for 4K, up to 495 ft (150 m) for 1080p |
| Transmission Medium | Single CAT-5e / CAT-6 Cable |
| HDMI Support | HDMI 2.0 |
| HDCP Support | HDCP 2.2 / 1.4 |
| Ethernet | 10/100 Ethernet Pass-Through |
| Control Interfaces | RS-232 and 2-Way IR |
| Audio | Multi-channel HDMI Audio Pass-Through |
| Power Feature | Bi-Directional Power over Link (POL) |
| Applications | Digital Signage, Conference Rooms, AV Distribution, Education, Home Theater |







