LKV373A: a $40 HDMI capture solution?


Jan 16, 2017
The Lenkeng LKV373A is a $40 HDMI-over-IP network sender used for sending video over a network to a remove TV, but can it be used instead as a cheap video capture device?

Block Zero Length UDP Packets

sudo iptables -t raw -A PREROUTING -p udp -m length --length 28 -j DROP

Configure Unicast

curl ""

Very (0.2s) low latency viewing technique:

socat UDP-RECV:5004 - | mplayer -fs -


socat UDP-RECV:5004 - | tee recording.ts | mplayer -fs -

…to record simultaneously.