marine gps/glonass tracker 1.gps+glonass chipset. 2.RS232 interface 3.support setting a SMS center GPS+Glonass tracker of carFeaturesGlonass+GPS chipsetRS-232 interfaceSimple and easy to setupSupport setting several instructions at a same timeSupport setting a SMS centerSupport one output specially for remote Fuel & Electricity Cut-off FunctionSupport setting 5 authorized cell phone numbersTrack ...
