Experience superior connectivity and versatility with the SpeedyBee F4 V4 Stack. With six sets of UART ports for seamless communication, Bluetooth support enables convenient flight controller configuration. Offering compatibility with DJI Air Unit through two connection methods, and featuring an external 1000uF Low ESR Capacitor for enhanced stability, this stack is perfect for both BetaFlight and INAV firmware. Compact and lightweight, with a Type-C USB port and DSHOT300/600 ESC protocol, it's the ideal choice for streamlined drone builds.