X4R receiver features 4 PWM outputs (normal servo) and now includes an option for CPPM output for feeding to flight controllers or other uses. CPPM carries 8 channels on a single servo wire. SmartPort and a traditional A2 port are all located on the side of the receiver and allow you to connect all sorts of great sensors to send data back to your FrSky radio.

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)

Compatibility FrSky X-series Module (XJT etc.) & Taranis X9D in D16 mode(X4R is not work with D-series Module)
Dimension 40x22.5x6 mm (L x W x H)
Weight 5.8 g
Operating Range full range (>1.5km)
Operating Voltage Range 4.0-10 V
Operating Current 100 mA at 5 V
Number of Channels 4 Ch from conventional channel outputs, without SBUS port