2pcs RDF900 915Mhz Diversity Radio Telemetry Radio Modem Ultra Long Range(Over 40km) for APM Pixhawk Flight Controller

Specifications Frequency Range 902 928 MHz Output Power 1W 30dBm controllable in 1dB steps 1dB 20dBm typical Air Data transfer rates 4 8 16 19 24 32 48 64 96 128 192 and 250 kbit sec User selectable 64k default UART data transfer rates 2400 4800 9600 19200 38400 57600 115200 baud User selectable 57600 default Output Power 1W 30dBm Receive Sensitivity 121 dBm at low data rates high data rates TBA 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 Long range 40km depending on antennas and GCS setup 20dB Low noise amplifier Package incuded 1 x data cable1 x connecting cable4 x original antenna2 x Remote 915 Transmitter