This D4R-II is a full featured mini sized 4 channel receiver by FrSky.What makes this receiver different the D4FR? The D4R-II’s data port allows you to connect a sensor hub so you can connect GPS, Variometer, temperature, RPM and all of the other great FrSky sensors. It also has 2 full-length detachable antennas. All of this is available in a package just a little larger than the D4FR.
1) Firmware upgradeable
2) One external analog telemetry port and one digital data-stream port (connect to FrSky Sensor Hub FSH-01)
3) RSSI (PWM) and CPPM output – If CH3 and CH4 are connected by a jumper, CH1 will output CPPM for CH1~CH8, and CH2 will output RSSI (PWM)
4) Lighter weight and physically smaller
5) Alarm warning on low voltage, poor reception, etc.
|Operating Range||full range (>1.5km)|
|Operating Voltage Range||3.5~10V|
|Number of Channels||4ch|