FrSky X4R - 4 Channel Receiver

FrSky X4R 4ch 2.4Ghz ACCST Receiver (w/telemetry)

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)
 
Specs:
Number of Channels: 4ch
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.