Features:
• RSSI (PWM) and CPPM output.
• Lighter weight and physically smaller than D8R-II & D6FR
• Integrated warning alarm for low voltage, poor reception, etc.
• One external analog telemetry port and one digital data-stream port (Connects to FrSky Sensor Hub FSH-01).
 

Specs:
Number of Channels: 4
Operating Voltage Range: 3.5V~10V
Operating Current: 60mA
Operating Range: Full Range (>1.5km)
Dimension: 40x22.5x6mm
Weight: 5.8g