TK103 GPS tracker integration of Xexun brand, used in vehicle location and Fleet Management solutions. Xexun TK103 can by controlled in real-time from a Tracking Management Platform or sending SMS alerts to a predefined Mobile Phone. This GPS tracking device from Xexun will provide a cost effective GPS solution to fleet managers who need to take advantage of the the features of the GPS software platform. An external antenna provides superior live tracking data while also allowing users to store the device almost anywhere within a vehicle. An I/O harness allows for users to integrate sensors into the device for an improved monitoring experience.