Measure Top Speed, Average Speed and Top Altitude

The user could easily view the screen while working out data such as speed, altitude, total mileage/kilometer, longitude/latitude. It also records the top speed and top altitude for instant recall after the running and helps RC fans much to fine-tune their RC gadgets to achieve better performance.

Concurrent reception of GPS & GLONASS

GSM-015 supports GNSS (Global Navigation Satellite System) with GPS and GLONASS system that means more satellites are orbiting the earth. The advantage of this many satellites will improve positional accuracy by tracking two satellite constellations instead of just GPS.

Built-in 1M Memory & Update frequency up to 10Hz

Update frequency is changeable from 1Hz to 10Hz. The higher update frequency is, the more accurate data the user will get. The built-in memory is 1M and can keep recording for 18 hours at 1Hz update frequency. And all the data can be transferred to PC and Mac show on Bing Maps. When the Flash is full, the previous record will be replaced automatically. No need to think about clearing data all the time or worry about missing the critical tracking data, when the memory is full.