FrSky D4R-II 4 Channel Receiver w/ Data Port CPPM RSSI for RC Multicopter Helicopter

FrSky D4R-II 4 Channel Receiver w/ Data Port CPPM RSSI for RC Multicopter Helicopter

Description:
- Compatible with FrSky two way telemetry modules: DFT, DJT, DHT, DHT-U
- What makes this receiver different the 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. They managed to squeeze all this into a package just a little larger then the D4FR

Features:
- Firmware upgradeable!
- 2 full length antennas (replaceable)
- One external analog telemetry port and one digital data-stream port (connect to Sensor Hub FSH-01)
- RSSI (PWM) and CPPM output - If CH3 and CH4 are connected by a jumper, CH1 will output RSSI (PWM), and CH2 will output CPPM for CH1~CH8
- Lighter weight and physically smaller than D8R-II Plus & D6FR
- Alarm warning on low voltage, poor reception, etc.

Specifications:
- Dimension: 40*22.5*6mm
- Weight: 5.8g / 5g (naked)
- Operating Voltage Range: 3.5V-10.0V
- Operating Current: 60mA
- Operating Range: Full Range (>1.5km)
- Resolution: 3072 (>11bit)