Upgrade version of OMNIBUS F4, the OMNIBUS F4 Professional (A few shop call it as OMNIBUS F4 PRO V2) added SD card supports, has 5v3A BEC, LC Clear out for Camera and VTX, build in Current sensor for top Integration Frame.
The V3 Mounted the Current studying factor.
Baro Mounted current studying issue
SPI Gyro MPU6000
On-Board OSD (controllered by Betaflight, FC over SPI bus)
F4 Processor (F405)
Built-in Current Sensor
On-Board Video Clear out (most effective can provide 5V to VTX and Camera)
Spi gyro mpu6000.
On-board osd (controllered by betaflight, fc over spi bus).
F4 processor (f405).