The SpeedyBee F405 WING APP Mini 2 - 6S Fixed Wing Flight Controller is designed for fixed - wing enthusiasts. Its compact size makes it easy to use. With a weight of just 5.6g (board) and 5.5g (PDB board), it's lightweight. It features a powerful STM32F405 MCU, built - in barometer, 6 UARTs, I2C, wireless setting through Bluetooth and WiFi. It's perfect for smooth, high - performance flight on iNav or Ardupilot.