Atlona AT-HDR-EX-70C-TX: 4K HDR HDBaseT Transmitter

The Atlona AT-HDR-EX-70C-TX is a professional HDBaseT transmitter designed to extend 4K/UHD HDMI signals with HDR, audio, and control signals over a single category cable. When paired with a compatible Atlona receiver such as the AT-HDR-EX-70C-RX, it enables reliable long-distance transmission of AV signals in professional installations.

It is commonly used in conference rooms, classrooms, digital signage systems, and commercial AV installations where the source equipment must be located far from the display.

Key Features

• Transmits HDMI, audio, and control signals over HDBaseT
• 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) support
• Compact metal enclosure suitable for rack or surface mounting
• Reliable long-distance signal extension over a single CAT cable

Connectivity

Inputs

1 × HDMI (Type A)

Outputs

1 × HDBaseT (RJ45)

Control

1 × RS-232 (3-pin terminal block)

2 × IR ports (IR In / IR Out)

Video Specifications

Maximum Resolution: 4K UHD (3840 × 2160)

Frame Rates: 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: 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

Can be powered by compatible receiver or external power supply