C2G C2G30021 – 4K HDBaseT Single-Gang Wall Plate HDMI Transmitter with RS232 is backordered and will ship as soon as it is back in stock.
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Product Overview
The C2G C2G30021 HDBaseT Single-Gang Wall Plate Transmitter extends 4K 60Hz HDMI and RS232/IR control from a single-gang wall plate over Cat5e, Cat6, or Cat6a to a compatible C2G HDBaseT box receiver. Supporting 4K at 130ft over Cat6a and 1080p at 230ft over Cat5e/6, this transmitter-only unit provides a clean permanent HDMI connection point at the presenter location in conference rooms, classrooms, and lecture halls. RS232 and IR pass-through support room control system integration for display management.
Product Description

The wall plate transmitter mounts in a standard single-gang electrical box and accepts HDMI input from the source. RS232 and IR pass-through allow room control processors to manage display power and input over the same Cat cable run. HDCP 2.2 ensures protected 4K content compatibility. This is a transmitter-only unit — a compatible C2G HDBaseT receiver is required at the display end.
Key Features
- Single-Gang Wall Plate Transmitter — Standard electrical box form factor for clean permanent installation.
- 4K 60Hz to 130ft over Cat6a — Full HDMI 2.0 at 4K 60Hz; 1080p to 230ft over Cat5e/6.
- RS232 and IR Pass-Through — Room automation system display management.
- HDCP 2.2 — Protected 4K content compatible.
- Transmitter Only — Pairs with compatible C2G HDBaseT receiver.
Technical Specifications
| Form Factor | Single-gang wall plate transmitter (TX only) |
| Max Distance — 4K Cat6a | 130ft (40m) |
| Max Distance — 1080p Cat5e/6 | 230ft (70m) |
| RS232/IR | Yes — pass-through |
| HDCP | HDCP 2.2 |
| SKU | C2G30021 |
At Creartion Networks, we do everything we can to create an excellent customer experience. This includes fast shipping and easy returns.
- Most in-stock orders placed Monday-Friday ship within 24-48 hours. General restrictions apply; please see our full shipping policy here.
- We offer a 30-day return policy from the delivery date on many products. Product restrictions apply. Restocking fees for the return of open-box items. Please see our full return policy here for more information.
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From Microsoft Teams Rooms and enterprise video conferencing to LED video walls, live streaming production, and hybrid collaboration systems, we provide end-to-end AV integration using premium, certified technology from industry leaders including Crestron, Q-SYS, Shure, Extron, and Absen.
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