... Tracker 1.with 32mbit flash memory 2.2 way conversation 3.alarm function, security 4. send the data SMS/GPRS Applications:· ... accuracy10-15metresGSM chipsupport Quad-band(850/900/1800/1900 Mhz)GPS chipsuper sensitivity and high accuracyLED3LEDs indicate power, GSM, GPS signal, ... positivel inputs ), 2 digital outputs, 2 analog inputs auto GPS /GSM/GPRS/AGPS tracker, engine on& off, geo-fence control ...