FrSky R9 and R9M radio control system is the first FrSky long range system which works in the frequency of 900MHz. The R9M module offers 4 switchable RF power outputs to so you can choose the appropriate power for different flight situations. Compared to another FrSky 2.4GHz long range receiver like the L9R, the R9 receiver has a longer operating range up to 10KM and above. Moreover, the R9 is also a redundancy receiver which can connect to another receiver to ensure the security of your aircraft.

Specification (Transmittter Module):
Brand: FrSky
Item Name: R9M 2019 900MHz Transmitter Module

Vin Voltage Range: 6V-13V

External Power Supply: 6V~13V

Telemetry Interface: Smart Port

Upgrade Interface: Smart Port

Modulations: PXX or CPPM (auto-detected)

Compatibility : R9 Series Receivers

Feature :

-900MHz/868MHz Working Mode

-Long Range, Low Latency and High Precision RC System

-4 Optional RF Power (Non-EU Version)

-Telemetry Mode (25mW)/Non-telemetry Mode (200mW / 500mW) (EU Version)

-RF Power (Flex): 10mW/ 100mW/ 500mW/ 1W (telemetry supported for all levels)

-Smart Port Enabled and Support Telemetry Data Transmission

Specification (Receiver):

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

Dimension: 43.3*26.8*13.9mm (L*W*H)

Weight: 15.8g

Operating Range: Up to 10km or above

Operating Voltage Range: DC 3.5V-10V

Operating Current: 100mA@5V

Number of Channels:

Non-EU Version: 8/16CH (Telemetry)

EU Version: 8/8CH (Telemetry) / 8/16CH (No Telemetry)
Firmware Upgradable
Compatibility: R9 series TX

Feature:

-900MHz/868MHz working mode

-Longer range than L9R

-Low latency and high precision

-Support redundancy function