controller
(ELRS SPI RX version)DiamondF4 ELRS FC Firmware target: CrazybeeF4SX1280
MCU:STM32F411CEU6 (100MHZ, 512K FLASH)
Sensor: MPU-6000 or ICM20689 or BMI270(SPI connection)
Original whoop size compatible
Power supply: 1S battery input (DC 2.9V-4.35V)
Built-in 5A(each) Blheli_S 4in1 ESC Dshot600 ready
Built-in Betaflight OSD(SPI Control)
Built-in 5.8G OPEN VTX
Built-in SPI ELRS V2.0
Built-in 5V 1A BEC

Onboard 4in1 ESC
MCU upgraded to EFM8BB21
Power supply: 1S LiPo/LiPo HVCurrent: 5A continuous peak 6A (3 seconds)
Support BLHeliSuite programmable
Factory firmware: O_H_5_REV16_8.HEX
Default protocol: DSHOT600

Onboard ELRS V2.0 receiver Version
Packet Rate option: 50Hz/150Hz/250Hz/500Hz
ExpressLRS Firmware version: V2.0
RF Frequency: 2.4GHz
Antenna : Enameled copper wire antenna
Telemetry output Power: <12dBm
Receiver protocol: SPI ExpressLRS
Compatible with ExpressLRS V2.0 TX Module
Couldnt flash separately ExpressLRS firmware

Onboard 5.8g OPENVTX
Firmware version: OPENVTX
Smartaudio v2.1
PIT Mode support
RCE Mode support
Channels:48ch
Transmitting Power: 0/RCE/25mw/100mw/400mw
Power supply: DC 5V
Current (5v): <650ma (400mw)