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GPS Tracker for car or previous treasure
Listen environment sound when dial the SIM card
Set up Voice-activate Callback( it will call back when sound is greater than 45db)
You need to insert a GSM Sim card first (only support 2G GSM Sim card)
GSM SIM Card frequency: 850Mhz/900Mhz/1800Mhz/1900Mhz (Quad-band)
It only works during plugging in like car charger or power bank, wall charger
How to use:
Get GPS location: Use personal mobile to text "DW" to the cable's phone number and you can get location information.
Set up Voice-activate Callback: Text "1111" and send to the cable's phone number. When cable's environment is larger than 45db, cable will automatically call your personal mobile and you can hear the sound at that moment.
Listen the sound: Directly dial the GSM SIM Card phone number