... speed alarm, Cut fuel/circuit, Data logger, Remote update, Support TCP / UDP; GPRS/SMS. 2. Technical parameterItem Technical parameterWorking ... 5V/DC, 500mA (max) power supplyBuilt-in memory for 10,000 points data loggingAntennaGPS/SMS connection, - 26dB, Cable ... metersGSM/SMS connection, - 3dB , Cable length 3 metersWorking temperature-10 to + 70Working humidity 5% - 95%Storage temperature -25 to ...