Acquiring an extra option that Xirgo Technologies offer to XT2100 GPS tracker, you can be dispose in XT2100 tracker of a buzzer for emergency alerts and one backup battery that convert XT2100 in a "standalone GPS" ideal for GPS asset tracking. With Xirgo Technologies XT2100 can be locate your mobile asset in 3 different GPS tracking modes: (sending SMS text messages with commands, using the Xirgo online server, from an external tracking management platform "edit IP/port in the tracker config"), contact with Xirgo Technologies to know if from the online services you can send (OTA - commands) to XT2100 tracker. Xirgo Technologies has designed XT2100 model to cover requirements of "GPS asset tracking", but also XT2100 GPS tracker you can used in requirements of "fleet management - vehicles - vans - truck". Xirgo Technologies XT2100 help to reduce costs in installation thanks to the integrated (GSM antenna and GPS antenna), if you need locate a mobile asset that no have more space for install a GPS tracker, XT2100 can be an effective solution. Xirgo Technologies includes in XT2100 GPS asset tracker the follows IO inputs/output: (1 digital output, 1 analogue input, 2 digital inputs), through these inputs/output you can be connect some external devices that improving the XT2100 technical features.