Super light weight and packed full of features, the D4R-â…¡ offers telemetry with FrSky two way telemetry modules: DFT, DJT, DHT, DHT-U
and an approximate range of 1.5km.

 Specifications:

• Measurements: 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)
•  

Features:

• upgradeable Firmware 
• 2 full length antennas (replaceable)
• 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
• One external analog telemetry port and one digital data-stream port (connect to Sensor Hub FSH-01)
• Lighter and smaller than D8R-II Plus & D6FR
• Alarm warning on low voltage or poor reception etc .