The Racelogic Velocity Box from M-Tech
Non Contact speed and distance measurement using GPS
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Telemetry Link
The VBOX Telemetry link consists of two radios which provide a radio link from the VBOX to a laptop computer. The frequency of these radios depends on the country in which they will be used, either 868 MHz (0.5 watt) or 901 MHz (2 watt). The range of the radios is around 2km, (or 8km line of sight). A typical use of the telemetry system is for pass by noise tests, where the speed of the vehicle needs to be measured externally. Another use for the Telemetry system is in the RTK system to link two GPS engines together.
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