... 32mbit flash memory 2.2 way conversation 3.alarm function, security 4. send the data SMS ... software/by cell phone ·Over-speed alarm, Low power alarm, Geo-fence alarm ·Roaming feature to save cost ·Control ... Support ·OTA, upgrade the firmware via GPRS ·Backup battery, Send a data every minute,support 12 ... positivel inputs ), 2 digital outputs, 2 analog inputs auto GPS /GSM/GPRS/AGPS tracker, engine on& off ...