When Tau Tecnología TU-20 GPS vehicle tracker lost the electric connection with your vehicle, pass to (Standalone GPS) mode and activate his internal backup battery to continue sending service routes and events for controlling the field service management. TU-20 of Tau Tecnología has internals GPS antenna and GSM antenna, this can help to reduce costs in GPS vehicle tracker installation. You can manage "Driver identification" with Tau Tecnología TU-20 GPS vehicle tracker through RFID readers that avoid the unauthorized driving of your vehicle and improving your daily Fleet Management or their automatic vehicle dispatch. Connect an "Temperature sensor" to TU-20 GPS device of Tau Tecnología and manage the hours of service in real-time of your vehicle temperature, if use TU-20 in a Tracking Management Platform can dispose of different temperature reports related to the send data by "Temperature sensor". Tau Tecnología TU-20 GPS vehicle tracker allow setup some (SMS alerts) that you can receive in a predefined mobile phone, via SMS you can send different commands to change configuration or to read configuration parameters of TU-20 GPS device.