Finally a solution from FrSky for all those micro brushed quads. F3EVO running betaflight and fully firmware upgradeable. Pre-soldered connectors makes this unit ready to install and bind. Upgrading your Tiny Whoop has never been easier.

Specifications:

•  Dimension: 29×29×6mm (L × W × H)
•  Hardware: STM32F303 CPU (72MHz inc FPU), MPU9250 (accelerometer/gyro/compass), CC2510 CPU for XM receiver
•  Weight: 3.4g
•  Channels: 16CH (8CH is RSSI) by SBUS to UART2 Rx of F3EVO
•  Operating voltage/current: 4.2V@75mA
•  Compatibility: FrSky Taranis X9D/X9E/Q X7/ Horus X12S/XJT in D16 mode
•  Firmware Upgradeable

Features:

• Built-in F3EVO and XM receiver module
• (Notice: XM receiver is a one-way receiver (no telemetry), it will receive the commands of Remote Control and send to F3EVO by SBUS (8CH is RSSI) to UART2 Rx of F3EVO)
•  Features the latest Accelerometer, Gyro and Compass and Baro sensor technology. 

Software:

The F3EVO runs the open-source Cleanflight/Betaflight flight control (FC) software and firmware upgradeable (SPRACINGF3EVO), the factory firmware is betaflight_3.0.0_SPRACINGF3EVO.

The XM receiver runs the software which was developed by FrSky and firmware upgradeable.