FrSky X4RSB 3/16CH Telemetry Receiver Full Range RSSI (PWM) output Lighter weight and physically smaller than D8R-II & D6FR Two selectable failsafe setting options - native failsafe or user programmable failsafe S.Bus port is compatible with Futaba S.BUS servos and FrSky SBUS&CPPM compatible servo External analog telemetry port (AD2) Brand name: FrSky Item name: FrSky X4RSB 3/16ch Telemetry Receiver Dimension: 40*22.5*6mm (L x W x H) Weight: 5.8g Operating Range: full range (&gt;1.5km) Operating Voltage Range: 4.0~10V Operating Current: 100mA@5V Number of Channels: 3/16Ch (1~3ch from conventional channel outputs,1~16ch from SBUS channel) Compatibility: FrSky X-series Module (XJT etc.) Taranis X9D in D16 mode(X4RSB is not work with D-series Module)