You can config up to "5 virtual geofences" in the GL501MG NB / IoT GPS tracker to avoid possible theft or fraud in your mobile asset, receive an alert in your mobile phone or in the online service when the mobile asset crossing the "virtual geofences". Queclink GL501MG accept 3 real-time tracking modes that you can used depending of your need: (sending text messages with commands via SMS, from an external tracking management platform, using Queclink online server). GL501MG NB / IoT GPS tracker integrate a "temperature sensor" that you can control your mobile asset temperature in real-time, to know all functions of "internal temperature sensor" contact with Queclink company. Through the "Bluetooth 4.2 BLE" connectivity the Queclink GL501MG tracker can follow sending data packets to tracking management platform when lost communication or coverage in the (LTE Cat M1/NB1 - LTE TDD) networks, guaranteed the location of your mobile asset in any moment. Queclink has designed GL501MG NB / IoT GPS tracker with (IP67 - waterproof) certification, thanks to the IP67 protection you can continue working in your mobile asset tracking on extreme weather conditions without fear that your GL501MG stop to work.