FrSky X4RSB CPPM 3/16ch 2.4Ghz ACCST Receiver (w/telemetry) EU Version 03022410

Features:

• RSSI (PWM) output
• Lighter weight and physically smaller than D8R-II & D6FR
• Two selectable failsafe setting options - native failsafe or user programmable failsafe
• External analog telemetry port (AD2)
• SB port is compatible with Futaba S.BUS servos and FrSky SBUS&CPPM compatible servos

Specs:

• Number of Channels: 3ch - Conventional Channels, 16ch with SBUS 
• Operating Voltage Range: 4V~10V
• Operating Current: 100mA
• Operating Range: Full Range (>1.5km)
• Dimension: 40x22.5x6mm
• Weight: 5.8g

Compatibility: FrSky X-series modual (XJT, etc) & Taranis X9D in D16 Mode) 
*Note: Does not work with D-series module.