To increase your vehicle protection, Coban GPS-306 offers the follow "SMS alerts" that you can active in the tracker config with events of: (movement alert, external power off alert, vehicle maintenance remain alert, without GSM network service alert, low battery alert, GPS blind spot alert), you receive the "SMS alerts" in a mobile phone. With GPS-306 OBDII tracker can be config different "virtual geofences for service routes or deliveries tasks" depending of your need, when Coban GPS tracker cross any of the (predefined virtual geofences) you receive some "SMS alerts" on the mobile phone, function ideal for improve their vehicle efficient driving. Coban GPS-306 plug and play tracker accept 3 GPS tracking modes with automatic vehicle dispatch: (from the Coban online server, sending commands with SMS text messages, using an external tracking management platform "edit default IP/port"), from the online services you can manage the hours of service of the (Scheduled Reports) and their fuel consumption control without send any SMS message to tracker or use an REST API to connect existing applications. GPS-306 OBDII tracker has an special alert by "over speed" that can help to increase your daily (driving control), when Coban GPS tracker detect the overspeed excess, send an alert to your mobile phone. Coban GPS-306 it is also a "GPS tracker with microphone / speaker" that allow make voice monitor around of vehicle, this feature is ideal for fleet managers who need real-time control of vehicle drivers in the field service management control.