Power on: press the power key to turn on the personal tracker, and the green light will stay on for 3s. Shutdown: The personal tracker does not need the shutdown button. If you want to turn off the personal tracker, you need to open the back cover and unplug the battery.

　　6 Set SOS emergency number and preset number

　　Using GPS personal positioning, the accuracy is much higher than GSM positioning GSM/SMS communication function or GPRS TCP/UDP connection for universal use around the world. It supports 2-band. The GSM 900/1800 MHz uses SiRFIIIGPS chip, and the sensitivity of receiving GPS satellite models is extremely high. It supports the auxiliary positioning of the base station, and can also provide location information if there is no GPS signal indoors Low power consumption, with smart sensors for power saving, and power saving mode controlled by SMS. Fast signal receiving speed supports the timed continuous tracking function, supports the alarm beyond the specified range of the platform, supports the alarm and remote monitoring, supports the function of two key speed dialing, and provides real-time tracking monitoring, provides SMS and network tracking location, and searches the location of moving objects through SMS (simple system messages) without interfering with personal life The SOS button sends out an emergency call for help signal and sends the exact location to the rescue center. It supports the overspeed SMS alarm function with a built-in microphone and the call function of GPRS and SMS dual channels. Built in GPS flat active antenna and GSMFPC antenna. Replaceable rechargeable battery, convenient for charging and replacement. Small and exquisite shape, suitable for carrying and hiding.

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This section describes GPS working modes

It is recommended to install at least two GPS locators for risk control practice