UAV RFD 868x Long Range Modem

The UAV RFD 868x is a modern telemetry modem used for data transmission with a transmission power of 1W, allowing a maximum range of up to 40km. In test arrangements data was even transferred over a distance of more then 57km.
The implemented firmware is an Open Source development enviroment called "SIK". The firmware is based on a 32bit ARM Prozessor and can be configurated via an FTDI converter.

Technical data

• Frequency Spectrum: 868-869 MHz
• Transmission power: 1W
• Transmission rate: 2 - 500 kbit/sec.
• UART transmission rate: 9600 - 921k baud
• Reciever sensivity : > 121 dBm
• Dimensions: 30 x 57 x 12,8mm
• Weight: 14,5g
• Working voltage: 5V @ 800mA
• Working temperature: - 40 to 80°C

Interfaces

• RF: 2 x RP-SMA
• Serial TTL (3,3V)
• GPIO: 6 x I/O (Digital, ADC, PWM)

Delivery content

• 1 x RFD868x Modem