Huidu HD-HT01-TX/RX HDMI signal extender
The HD-HT01 transmitter and receiver extend an HDMI source over a single CAT cable for point-to-point display installations. The system supports HDMI 2.0 video up to 4K at 60 Hz with 4:4:4 chroma, a local HDMI loop output and bidirectional infrared pass-through.
Technical specifications
Values below are from the linked Chinese V1.0 manual. Distance limits depend on the selected video format.
| System | HD-HT01-TX transmitter and HD-HT01-RX receiver; point-to-point CAT cable link |
|---|---|
| Video / bandwidth | HDMI 2.0; up to 4K at 60 Hz, 4:4:4; HDR10; 18 Gbps |
| HDCP | 2.2 compliant; output follows display HDCP version |
| Transmission distance | 4K up to 70 m; 1080p up to 80 m over a single CAT5e/6 cable |
| Cable guidance | Shielded cable and proper grounding recommended; manual advises CATx length at least 15 m for best video output |
| TX interfaces | HDMI source input, HDMI local loop output, CATx output, IR input/output and DC 12 V |
| RX interfaces | CATx input, HDMI display output and IR input/output |
| Receiver power | 12 V PoC from the transmitter over the CATx link |
| Downscaling | 4K input to 1080p receiver output for compatible 1080p displays |
| EDID | Remote display learning, local-display copy and default mode |
| Power adapter | 12 V DC; packing list says 2 A, specification table says 1 A—confirm supplied adapter |
| Maximum consumption | 4 W as stated in manual; per-unit/pair scope not specified |
| Operating / storage temperature | −5°C to 55°C / −25°C to 70°C |
| Relative humidity | 10–90% |
| Dimensions / weight | 80 W × 16.8 H × 80 D mm; Tx/Rx weight listed as 70 g |
Connection and EDID setup
Connect the HDMI source to TX, the CATx output directly to RX, and the receiver HDMI output to the remote display. Connect the IR receiver and emitter leads as required. The manual describes a short press for remote-display EDID learning and a three-second press for copying the local-display EDID.
Use the manual’s wiring diagram and confirm the supplied power hardware, because its adapter-current entries and later power-connection wording differ. The PDF describes visually lossless compression but does not provide a measured end-to-end latency figure.


HD-HT01 frequently asked questions
How far can the HT01 extend a 4K HDMI signal?
The manual specifies up to 70 metres for 4K at 60 Hz with 4:4:4 chroma, or up to 80 metres for 1080p, using one CAT5e/6 cable. Cable quality, shielding and installation must match the manual’s guidance.
Is HD-HT01 a fiber-optic or network-switch extender?
The supplied manual describes a point-to-point HDMI extender over a CAT cable between TX and RX. The original download filename incorrectly calls it a fiber-optic transceiver. Follow the direct CATx connection diagram; general Ethernet-switch operation is not specified.
Can the transmitter feed a local HDMI monitor?
Yes. The transmitter has an HDMI loop output for a local display while the receiver feeds the remote display. EDID selection affects the source format; the default mode learns from the lower-resolution display.
Can a 4K source work with a 1080p remote display?
The receiver supports automatic downscaling from 4K input to 1080p output. Confirm the source, local monitor and remote monitor EDID arrangement when combining different display resolutions.
Does the receiver need its own power adapter?
The interface descriptions specify 12 V PoC from the transmitter to the receiver. A later installation step mentions powering either unit, but the RX interface list does not show a DC connector. Follow the supplied hardware and confirm the adapter: the packing list says 12 V 2 A while the specification table says 12 V 1 A.


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