🔌 HDMI Over Ethernet Network Adapter — Technical Specifications
📡 Overview
An HDMI over Ethernet adapter consists of two units — a transmitter (TX) and receiver (RX) — that let you send HDMI signals over Cat5e/6/7 Ethernet cabling instead of using a long HDMI cable.
🖥️ Video & Audio Support
Input/Output: HDMI (Type A) on TX & RX sides
Supported Video Resolutions:
Up to 4K @ 30 Hz or 1080p @ 60 Hz depending on model
Audio Formats: HDMI digital audio including stereo and multichannel formats such as Dolby/DTS (via HDMI)
HDCP Compliance: HDMI copy‑protection supported (e.g., HDCP 1.4)
Color Support: Deep color possible on compatible models
🛠️ Connectivity & Cabling
Ethernet Connector: RJ45 on both transmitter and receiver units
Cabling: Standard Cat5e / Cat6 / Cat7 twisted‑pair network cable
Distance:
Typical point‑to‑point up to 30 m – 100 m+ depending on cable quality and device specs
🔌 Power & Indicators
Power Supply: Typically 5 V DC adapters for both TX and RX (some units support PoE)
LED Status Indication: Power/signal indicators on TX/RX units for connection status
🧠 Features
Plug‑and‑Play: No drivers or software needed
Low Latency: Designed to maintain near‑real‑time HDMI transmission (depends on implementation)
EWAN/Network Mode Options: Some systems use HDMI‑over‑IP for distribution across a LAN (requires network switch)
Power over Ethernet (PoE): Some units support PoE so only one power injector is needed
📏 Physical & Environment
Compact Form Factor: Typically small metal or plastic enclosures for TX & RX
Operating Temp.: ~0 °C – 70 °C (varies by model)
Connector Types:
HDMI Input/Output (Type A)
RJ45 Ethernet
DC power jack
📊 Typical Use Cases
Extend HDMI signal over long runs where HDMI cable would be unreliable or too short
Distribute one HDMI source to a remote display (TV, projector)
AV installations in homes, offices, classrooms
📌 Summary Table
| Specification | Typical Value |
|---|---|
| HDMI Input/Output | Type A HDMI |
| Ethernet | RJ45 over Cat5e/6/7 |
| Max Resolution | Up to 4K @ 30 Hz / 1080p @ 60 Hz |
| Audio | HDMI digital (stereo to surround) |
| Power | 5 V DC or PoE |
| HDCP | Yes |
| Maximum Distance | ~30 m – 100 m+ (model dependent) |
| Latency | Low (near real‑time) |
✅ Quick description: A USB HDMI‑over‑Ethernet adapter lets you send HDMI audio/video signals across long Cat5e/6 network cable runs between a transmitter and receiver pair — ideal for extending displays without long HDMI cables.
