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.



