The RFD RFDesign Remote 900+ is an ISM band wireless modem with great performance. The operating frequency range is 902–928MHz. It is a communication gadget that can transmit data across vast distances around 40km. This gadget has previously been utilized in Autopilot (APM) and PIX..

Features

• Long range >40km depending on antennas and GCS setup *80km demonstrated by Edge Research labs on a balloon, 57km in India, on Dipoles.
• 2 x RP-SMA RF connectors, diversity switched.
• 1 Watt (+30dBm) transmit power.
• Transmit low pass filter.
• > 20dB Low noise amplifier, high IP3.
• RX SAW filter.
• All I/O ESD protected and filtered.
• Re implemented SiK and Multipoint SiK firmware, field upgradeable, easy to configure.
• Small, light weight.
• License free use in Australia, Canada, USA, NZ
• Note: Not compatible with older modems

Note: Not compatible with older modems

 

Interfaces

• RF : 2 x RP-SMA connectors
• Serial: Logic level TTL (+3.3v)
• Power: +5v, ~800mA max peak (at maximum transmit power)
• GPIO: 6 General purpose IO (Digita capable). 

 

Specifications:

• Frequency Range:  902 - 928 MHz (USA) / 915 - 928 MHz (Australia)
• Output Power: 1W (+30dBm), controllable in 1dB steps ( +/- 1dB @=20dBm typical )
• Air Data transfer rates: 12, 56, 64, 100, 125, 200, 224, 500 and 750 kbit/sec (User settable, 64kbit default)*
• UART data transfer rates: 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400, 460800, 1M baud (User settable, 57600 default)*
• *note these values are correct as of version 3.16 SiK firmware
• Output Power: 1W (+30dBm)
• Receive Sensitivity: >111 dBm at 12kbps, 105 at 64 kbps and 98 at 200 kbps
• Size: 30 mm (wide) x 57 mm (long) x 12.8 mm (thick) - Including RF Shield, Heatsink and connector extremeties
• Weight: 14.5g
• Mounting: 3 x M2.5 screws, 3 x header pin solder points
• Power Supply: +5 V nominal, (+3.5 V min, +5.5 V max), ~800 mA peak at maximum power
• Temp. Range: -40 to +85 deg C, tested operational from -73 to +123 deg C.