Kramer WP-789T 4K60 4:2:0 HDMI 1–Gang PoE Wall–Plate Transmitter with RS–232 & IR over Long–Reach HDBaseT

Product Overview

The Kramer WP-789T is a 1-Gang PoE wall plate HDBaseT transmitter that extends 4K60 4:2:0 HDMI signals with RS-232 and IR control over a single Cat cable using Long-Reach HDBaseT. It is designed for permanent wall-plate installations in conference rooms, classrooms, and commercial AV systems where a clean, low-profile input point is required at the source end. Power is delivered over the Cat cable from the receiver or a compatible HDBaseT switch, eliminating the need for a local power supply. Compatible with Kramer HDBaseT receivers and matrix switchers supporting PoC (Power over Cable).

Key Features

• 4K60 4:2:0 HDMI Input — Accepts HDCP 2.2-compliant 4K signals at up to 60Hz for display in modern commercial AV systems.
• Long-Reach HDBaseT Transmission — Extends up to 70m at 1080p or 40m at 4K over a single Cat 6/6A cable.
• Power over Cable (PoC) — Powered remotely via the HDBaseT link; no local power supply required at the wall plate.
• RS-232 Pass-Through — Bidirectional RS-232 pass-through for control of display or source equipment.
• IR Control — Integrated IR pass-through for remote control of connected devices from the display end.
• 1-Gang Wall Plate Form Factor — Standard US 1-gang decora-style plate fits standard electrical boxes for clean installations.

Typical Applications

• Conference room HDMI wall plate input stations
• Classroom AV lectern and wall input points
• Boardroom HDBaseT distribution systems
• Training room AV infrastructure
• Commercial meeting space signal extension

Technical Specifications

Frequently Asked Questions

What receiver does the WP-789T pair with?

The WP-789T is designed to work with Kramer HDBaseT receivers that support PoC, such as the TP-789R or compatible Kramer HDBaseT receivers. Verify PoC compatibility with the specific receiver before deployment.

Does it require a local power supply?

No. The WP-789T is powered over the HDBaseT Cat cable from the receiver end (Power over Cable / PoC). No local wall power is needed at the transmitter.

What cable type is recommended?

Kramer recommends Cat 6 or Cat 6A cabling for optimal performance, especially at 4K resolutions. Ensure cable runs comply with TIA/EIA 568 standards.

Is it compatible with third-party HDBaseT receivers?

The WP-789T is optimized for use with Kramer HDBaseT receivers. Third-party compatibility is not guaranteed and should be tested before specifying in a system design.

What warranty applies?

Kramer provides a 3-year limited warranty. Contact Creation Networks for support and RMA assistance.