LTE and GSM Network: Communication with 2G GSM fallback through 4G LTE network. C41 can support 4G and 2G networks, with better accuracy, frequency and RAM data than 2G trackersMultiple Alerts: Immediate alarm for atypical events, such as vibration alarm, power failure alarm, SOS alarm, fence alarm and overspeed alarmFree Lifelong APP and Platform: Our Lncon application and website platform are free of charge. You do not need to pay any annual fee. Our application can support more than 140 different languages. It will better help you use this productMultiple Tracking Modes: In order to provide more tracking modes: GPS, Beidou and LBS, our product locations are uploaded in a variety of ways: fixed time interval (10 seconds by default), fixed distance (300 meters by default), and preset turns (30 degrees and 2 seconds by default)Remote Disconnection of Fuel/Power Supply: When your mobile phone receives an abnormal alarm, you can send a fuel cut-off command from the application or website platform. You can even use your mobile phone to send SMS commands to cut off the fuel/power supply of your car remotely. To ensure the safety of the vehicle, the tracker can only indicate fuel cut-off under the following conditions: GPS is in an effective distance and the speed is less than 20km/h