1. Select GSM network card or Nano SIM card of Internet of Things ( CDMA telecommunication card is not supported ); GSM card is required to be enabled with the functions of GPRS, SMS and caller ID.
2. Start - up: For key-press host, press the key and hold for 3 seconds to start up; if no key, install SIM card and the device starts up, and the red light will flash slowly for 30 seconds before the device goes online.
3. Shutdown: For key-press host, press the key and hold for 3 seconds to shut down the device; if no key, unplug the SIM card, the device shuts down automatically 30 seconds later, and the red light goes out.
The function of GF-09: Remote pickup, remote recording, voice control callback, voice control recording, HD silicon microphone WiFi + LBS + AGPS positioning, real-time tracking, historical tracks, vibration anti-theft alarm, electronic fence, built-in strong magnetism, multiple power saving modes, low-power alarm.