HD-HT01-TX/RX HDMI signal extender
The Huidu HD-HT01-TX transmitter and HD-HT01-RX receiver form a point-to-point HDMI and infrared signal extension system. A single CAT5e/6 cable carries the signal between the units. The manufacturer’s manual identifies the product as an HDBaseT signal extender.
Video and transmission specifications
| Parameter | Specification |
|---|---|
| HDMI standard | HDMI 2.0 |
| Maximum video format | 4K/UHD at 60 Hz, 4:4:4 chroma sampling |
| HDMI data rate | Up to 18 Gbps |
| HDR support | HDR10 |
| Content protection | HDCP 2.2 |
| Extension cable | Single CAT5e/6 cable |
| 4K transmission distance | Up to 70 m at 4K@60Hz 4:4:4 |
| 1080p transmission distance | Up to 80 m |
| Local output | HDMI loop-out on the transmitter |
| Infrared control | Bidirectional IR pass-through |
| Downscaling | Automatic 4K input to 1080p output at the receiver |
| EDID | Intelligent EDID management |
| Compression | Visually lossless; described by the manufacturer as having no delay |
Local monitoring and remote display connection
The transmitter’s HDMI loop-out provides a local video connection alongside the remote receiver output. Bidirectional infrared pass-through carries control signals in either direction. Intelligent EDID management supports communication of display capabilities.
Connect a 1080p display to a 4K source
The receiver can automatically downscale a 4K input to 1080p output for compatibility with a 1080p display. For cabling, the manual recommends interference-resistant CAT5e or CAT6 shielded twisted-pair cable with proper grounding.

Product manual
Download the HD-HT01-TX/RX product manual (Chinese PDF)
Frequently Asked Questions
How far can HT01 extend a 4K HDMI signal?
The specified distance is up to 70 m for 4K@60Hz with 4:4:4 chroma sampling over one CAT5e/6 cable. The 1080p distance is up to 80 m.
Does the HD-HT01 use fiber optic cable?
The documented point-to-point connection uses a single CAT5e/6 cable. The product manual identifies HT01 as an HDBaseT signal extender.
Can I connect a 1080p display to a 4K source?
Yes. The receiver supports automatic downscaling from 4K input to 1080p output for a 1080p display.
Is there an HDMI output at the transmitter?
Yes. The transmitter has an HDMI loop-out for a local video connection.
Can infrared remote-control signals travel both ways?
Yes. The HT01 supports bidirectional IR pass-through, allowing infrared signals to pass in either direction between the transmitter and receiver.




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