This is a iOS app for GT-421/GT-423 tracker of Navisys Technology Crop.
GT-421/GT-423 tracker is a vehicle tracker .
1.If "move call function " is set, then tracker do phone call when vehicle moving.
2.Set some geofences to avoid vehicle out of boundary.
3.Wake tracker up use phone call or sms .
It is a tracker can protect vehicle of user.