• Wifi Locate

The device has built in Wi-Fi Chip, it automatically connects to the WIFI hotspot nearby and filter the hotspot info then select the WIFI hotspots with strongest signal, the device will pack those hotspots info and saved into the packet that will be uploaded, after the backend receives Wi-Fi information, it will interpret the WIFI info and acquire the current location from the Wi-Fi database, The default setting is WIFI priority, once it detects WIFI Hotspot, it will upload WIFI info only , and do not use GPS, if WIFI is not detected, it will use GPS to position.

• Early power sleep mode

In order to reduce the waste of power, the device will not continue to work and directly enter the sleep state under those abnormal status:

The device does not recognize the SIM card;

Cellular module resets 6 times continuously;

Device resets 6 times continuously;

Failed to connect to the server (single IP 3 times, dual IP 2 times each);

No response from server after sending upload data three times in a row.

VCC voltage is lower than 2.9V;

After VCC is lower than 2.7V or devices resets 6 times continuously, if the upload interval is less than 60 minutes, the sleep time will be changed to 60 minutes in mandatory ;

• OTA commands from backend

Since the wake up of the device is short, it is hardly to receive SMS , to ensure the command sending efficiently, we suggest an OTA commands to be sent from the platform, when the device is online, the backend will automatic send this command, to make sure the commands is properly received.

• Tracking

The default setting is upload once a day, the upload packet information includes: Position status, longitude and latitude, network signal Strength, satellite numbers, battery voltage etc, the upload interval can be configured either by SMS or through tracking platform software