Atlona HDR-EX-70C-KIT: 4K HDR HDMI Over HDBaseT TX/RX

The Atlona AT-HDR-EX-70C-KIT is a professional HDMI HDBaseT extender kit designed to extend 4K/UHD video, audio, and control signals over a single category cable. The kit includes both a transmitter (TX) and receiver (RX) and allows HDMI sources to be installed far from displays while maintaining high-quality signal transmission.

The extender supports HDR formats and HDCP 2.2, making it suitable for modern AV installations such as meeting rooms, classrooms, control rooms, and digital signage systems.

Key Features

• Extends HDMI signals up to 70 m over CAT6A/7 cable

• Supports 4K/UHD up to 4K/60 4:2:0

• HDR (High Dynamic Range) pass-through

• HDCP 2.2 compliant

• Bidirectional RS-232 and IR control pass-through

• Power over HDBaseT (PoH) — only one power supply required

• Single CAT cable installation simplifies wiring

• Compact design suitable for rack or surface mounting

Connectivity

Transmitter (TX)

Inputs

• 1 × HDMI (Type A)

Outputs

• 1 × HDBaseT (RJ45)

Control

• 1 × RS-232 (3-pin terminal block)

• 2 × IR ports (IR In / IR Out)

Receiver (RX)

Inputs

• 1 × HDBaseT (RJ45)

Outputs

• 1 × HDMI (Type A)

Control

• 1 × RS-232 (3-pin terminal block)

• 2 × IR ports (IR In / IR Out)

Video Specifications

• Maximum Resolution: 4K UHD (3840 × 2160)

• Frame Rate: Up to 60 Hz

• Colour Sampling: 4:4:4 at 1080p / 4:2:0 at 4K60

• HDR Support: HDR10, HLG, Dolby Vision pass-through

• HDCP: 1.4 / 2.2 compliant

Transmission Distance

• Up to 70 m over CAT6A / CAT7 (4K60)

• Up to 70 m over CAT5e / CAT6 (1080p)

Power

• Power over HDBaseT (PoH) supported

• Single external power supply powers both transmitter and receiver