R9 (Range 9 ) is FrSky new generation 900MHz long range receiver. It MUST work with R9M module.

Specifications

• Dimension:43.3*26.8*13.9mm (L*W*H)
• Weight:15.8g
• Operating Voltage Range: DC 3.5V-10V
• Operating Current:100mA@5V
• Operating Rang:Up to 10km or above
• Firmware Upgradable
• Compatibility: R9M
• Number of Channels:

  R9	EU Version		Non-EU Version
  R9M Mode	Telemetry	NO-telemetry	Telemetry
  Channel Number	8/8CH	8/16CH	8/16CH

Features

• 900MHz/868MHz working mode
• Longer range than L9R
• Low latency and high precision
• Support redundancy function
• Smart Port enabled and support telemetry data transmission
• Battery voltage detection
• With RSSI PWM output (marked by P4 on board)