You want the dongle to automatically send a GPS position via SMS when a button is pressed.
Standard AT commands are used to check software versions ( AT+CGMR ) or unlock password-protected modes. Community Customizations: 4gdong001 Firmware
Often powered by a Qualcomm 8916 or similar processor. You want the dongle to automatically send a
Upgrading or reflashing the firmware on these devices is often necessary to fix connectivity bugs or unlock specific features. 4gdong001 Firmware