TOPFLYTECH has designed the housing of TLP2-SF/SFB NB / IoT GPS tracker with (IP67 - waterproof) certification, this IP67 certification is ideal to cover requirements of GPS mobile asset tracking in extreme weather conditions where others GPS trackers no can´t working. TOPFLYTECH TLP2-SF/SFB standalone GPS tracker include a rechargeable (9600 mAh/3.7V) Li-Polymer battery via (USB or solar panel) valid for long inactivity periods in the GPS mobile asset tracking, contact with TOPFLYTECH to know the exact duration times with a single charge. You can be used TLP2-SF/SFB NB / IoT GPS tracker to locate your mobile asset with 3 different GPS tracking modes: (from the TOPFLYTECH online server, sending SMS text messages with commands, using an external tracking management platform "edit default IP/port"). With TOPFLYTECH TLP2-SF/SFB (4G LTE) can be controlling in real-time your mobile asset temperature thanks to has an integrated "temperature sensor", through this feature you increase the safety and prevention of your mobile asset. TLP2-SF/SFB help to save costs in technical services, thanks to his (OTA - Over the Air) function that allows change config parameters and firmware update remotely without uninstalling TLP2-SF/SFB of your mobile asset, contact with TOPFLYTECH to know if from the default online server or from the external tracking management platform you can send "OTA commands".