Board name: H2C-RPI-B01

HDMI interface to CSI-2 interface
Chip: TC358743XBG
Support TK1 full-featured expansion board
Support Raspberry Pi (linux kernel version to 4.0 or above)
Limited by the performance of Raspberry itself, up to 1080p@25
Physical size: 65x30 mm, fixed hole position is the same as zero.

https://www.aliexpress.com/item/4000152180240.html

https://www.raspberrypi.org/forums/viewtopic.php?f=38&t=120702&start=400#p1339178