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The 915 MHz radios can be used in Australia (Licence required) and have a max range of 3500 m. The radios can be used with a Base Station to provide DGPS corrections to a VBOX.

The Base Station variant (RLRTM915BS) is designed to connect to the Racelogic Base Station and transmit DGPS corrections to a remote VBOX.

The VBOX variant (RLRTM915TR) is designed to connect to a VBOX to receive DGPS corrections from a Base Station.

Transmission Range

  • Difficult environment (e.g. buildings, reinforced concrete): 300 m (1,000 Feet)
  • Open environment with antennas at ground level (e.g. vehicle roofs): 700 m (2,300 Feet)
  • In view with Base Station antenna at height (e.g. building roof): 3,500 m (11,000 Feet)

Note: Obstacles such as walls and trees can strongly reduce the range.


  • Input Voltage: 6 – 30V DC
  • Input Current - Receiving: <50mA
  • Input Current - Transmitting: <200mA
  • Radio Transmission Power: 500mW
  • Base Station Duty Cycle: <10%
  • Carrier Frequency: 915MHz for American use
  • Radio Data Rate: 38,400bit/s
  • RS232 Data Rate: 115,200bit/s (configurable)


  • Module Dimensions: 95mm x 60mm x 33mm
  • Operating Temperature: -20°C to +60°C
  • Storage Temperature: -40°C to +85°C