The X4R-SB receiver features 3 PWM outputs (normal servo) and 1 Sbus port that carries all 16 channels. Plus the Smart Port and a traditional AIN port are still located on the side port of the receiver. A FrSky FBVS can be connected to the A2 port for simple voltage monitoring.
Features:
Firmware upgradeable
Smart port enabled, realizing two-way full duplex transmission
External analog telemetry port (AIN) for basic voltage monitoring
Light weiht and physically smaller than X8R and X6R receivers
With PWM, CPPM and SBUS output options, up to 16ch available
With RSSSI PWM output (0-3.3V) on board
Specifications:
Brand: FrSky
Item NO: X4R-SB
Operating voltage range: 4V-10.0V
Operating current: 100mA @ 5V
Operating range: >1.5km (Full Range)
With RSSI output on board: PWM output range (0-3.3V)
Compatibility: FrSky X-series modules and FrSky transmitters
Channel: Channel 1-16 (SBUS), channel 1-8 (CPPM)
Size: 40.6 * 23 * 8mm
Weight: 5g
Package Information:
Package size: 16.5 * 9 * 2cm / 6.5 * 3.5 * 0.8in
Package weight: 34g / 1.2oz
Plastic package
Package List:
1 * FrSky X4R-SB Receiver
1 * Cable
2 * Jumper
1 * English Manual