Upgrade version of OMNIBUS F4, the OMNIBUS F4 Pro (Some shop call it as OMNIBUS F4 PRO V2) added SD card supports, has 5v3A BEC, LC filter for Camera and VTX, build in Current sensor for high Integration Frame.
The V3 fixed the Current reading issue.
SPI Gyro MPU6000
On-Board OSD (controllered by Betaflight, FC over SPI bus)
F4 Processor (F405)
Built-in Current Sensor
On-Board Video Filter (only can supply 5V to VTX and Camera)