5
4. Installation instructions
4.1 Preparation: Choose SIM card, need insert a GSM SIM card into device.
Please insert SIM card before turning the device power switch to on; The
SIM card need open the GPRS function; Please make sure SIM card with full
balance.
● Open back cover → Take out screw as below
● Insert SIM card → Switch button to "ON" place
4.2 Installation
The device is hidden type installation, we suggest the device installing by
professional institution. Please pay attention to the following points:
4.2.2 The device has built-in GSM and GPS antenna, make sure the receive side
upward and there is no metal shielding.
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