Script description: the script find the geographical position using the gps. When the module move away from this position for a distance bigger than the fence radius, it sends a sms. User inputs: edit these values in the script
FENCE_RADIUS = 50 # outside this radius send an sms
TEL_NUMBER = '1111111111' # to be changed, tel number to which send an sms when outside the fence
Availability: any Telit product supporting Python and GPS