444K-777
The 444K-777 is a flexible and cost effective HDBaseT pair solution for extending HDMI, bi-directional IR, full duplex RS232 together with POC (remote power over cable). The unit is very compact and comes with the IR accessories. By incorporating the full HDBaseT technology 4K UHD HDMI signals can be transmitted up to 70m away over CAT 6/6A STP/FTP.
Key Features
- HDBaseT technology
- HDMI 2.0 4K@60Hz
- 4:4:4, 18G, HDR10, Dolby Vision
- HDCP 2.2/1.3 compliant
- Audio de-embedding
- 70m CAT 6/6A STP/FTP
- Looping HDMI inputs
Test Signal Generator Patterns

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The 444K-777 is an extender pair unit capable of accepting UHD HDMI signals up to 4K60 resolutions and converting them to HDBaseT protocol for subsequent transmission and distribution. The extender also provides the pass through of wide band bi-directional infrared signals and full duplex RS232 up to 115Kbaud. Whilst POC power (12-48V) can be sent by either the TX or RX through the Cat 6/6A cable to provide power to the remote end. All that is required is a single Cat 6/6A cable connection to provide all these features.
Enhanced 444K-TX777 transmitter features include looping HDMI input and an internal test signal generator to facilitate installation fault finding. Whilst audio de-embedding feature is available on the transmitter and receiver via a 3.5mm jack connection. The 444K-777 uses the standard HDBaseT protocol making is compatible with other Smart-e products including the LDX, MDXE and VDX range of multiformat, modular matrices.
The 444K-777 is very compact having a height of only 20mm helping to hide the units in confined spaces. Each box also contains infrared accessories and discrete mounting brackets allowing ease of installation.
Features
- HDBaseT technology
- HDMI 2.0 4K@60Hz
- 4:4:4, 18G, HDR10, Dolby Vision
- HDCP 2.2/1.4 compliant
- Looping HDMI input
- De-embedded audio for TX and RX
- Internal test signal generator
- Video present indicator
- 70m CAT 6/6A STP/FTP
- Full duplex RS232 pass through
- Bi-directional IR pass through
- CEC compliant
- Wide DC power 12-48V
- POC (remote powering TX or RX)
- Slim profile 20mm
Specification
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Description | Type | Size |
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Datasheet | PDF File | 850 KB |