FrSky XSRF3E Flight Control Built-In F3E & XSR 16CH CPPM SUBS Telemetry Receiver FrSky XSRF3E Flight Control Features Features the latest Accelerometer, Gyro and Compass and Baro sensor technology Built-in F3E and XSR receiver module XSR receiver is a full duplex telemetry receiver, it will receive the commands of radio and send to F3E by […]