The communication method that using the Standalone GPS Tracker Suntech ST330 are (TCP, UDP, SMS) and the best option to protect or controlling your mobile assets in real-time is to register ST330 within of a Tracking Management Platform always online. In addition, with ST330 GPS device of Suntech you can configure the following SMS alerts to detect: (Anti-theft, ON/OFF battery, battery error, geofences, speed, idle, towing), every time that an alert is active you receive on your mobile phone a SMS message. You can also create up to 200 circular geofences and receive on your mobile phone the exact "Geo Location" of Standalone GPS Tracker Suntech ST330 every time that cross one of the preconfigured geofences. To save costs in technical service, ST330 GPS device of Suntech support OTA (Over the Air) function that allows you to change any parameter in the configuration or update the firmware remotely.