Using GPS personal positioning, the accuracy is much higher than GSM positioning GSM/SMS communication function or GPRSTCP/UDP connection worldwide, support 2 frequency band, GSM900/1800MHz using SiRFIIIGPS chip, receive GPS satellite model sensitivity is very high. Support base station auxiliary positioning, indoor GPS signal can also provide location information. Low power consumption, intelligent sensor as power saving, power saving mode controlled by SMS. Fast signal receiving continuous tracing support specified range beyond the regular support platform support alarm alarms and remote monitoring of speed dial 2 buttons function under the condition of not impede personal life provide real-time tracking monitoring via SMS text messages and online tracking position to find the location of the moving object (simple system message) SOS button signal emergency and outward Accurate location to send to the distress center support overspeed SMS alarm function built-in microphone, support call function GPRS, SMS dual channel.

　　Built-in GPS plate active antenna, GSMFPC antenna. Replaceable rechargeable battery for easy charging and replacement. Small and exquisite, suitable for carrying and hiding.

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This section describes GPS working modes

Polarization Design of GPS.fleet gps tracking