HDMI 2.0a (10.2Gbps) 4K @60Hz. YUV4:2:0
In-Line Surge powers from HDMI 5V
Designed for Set Top Boxes (Satellite and Cable) so they cannot pass surges to the rest of the system via the HDMI Cable.
Blocks 5V Sharing
Works with virtually any STB
"Tank" Circuit resets and can take multiple Surges
https://metrahometheater.com/hdm-sp3.html
The HDM-SP3 was designed to clamp ESD* spikes up to 8000 volts (IEC 61000) down all channels including the TMDS and DDC lines. This will provide excellent protection from the ESD spikes that enter your systems through any of the data ports (Coax, Ethernet and Serial), usually from your CATV/Internet provider.
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