FrSky X4R SB 3/16ch 2.4Ghz ACCST Receiver

Features:
• RSSI (PWM) output
• Lighter weight and smaller footprint than D4R-II, 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

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: 40×22.5x6mm
Weight: 5.8g
Compatibility: FrSky X-series module (XJT, etc) & Taranis X9D in D16 Mode)

*Note: Does not work with D-series modules (DJT).