Teltonika AT2000 tracker can update the firmware or configuration by sending OTA commands, reducing installation costs in their localized assets. For the safety and protection of their assets AT2000 Standalone GPS model it offers you a plastic housing with IP65 certification (Waterproof GPS). Teltonika AT2000 has the following interfaces for connecting external devices: 1 micro USB port, 1 access 1-Wire, 2 inputs configurable (how digital input, digital output), 1 analog input. AT2000 also offers the following 4 scenarios for tracking how your assets: Asset tracking scenario at sea, Asset tracking scenario land, sea/land tracking scenario and security scenario.