Besides, this crawler TK303F is a full featured vehicle tracking device which is designed for a wide variety of vehicle tracking applications. It has multiple I/O interfaces that can be used for monitoring or controlling external devices. It is supported by a wide variety of accessories, such as fuel sensor, shock sensor, siren, remote controller etc. Its built-in GPS receiver has superior sensitivity and fast time to first fix. Its quad band GPRS/GSM subsystem supports 850/900/1800/1900 MHz allowing the TK303F's location to be monitored in real time or periodically tracked by a backend server and mobile devices. System integration is straightforward as complete documentation is provided for GPRS communication protocol. The GPRS communication protocol supports a wide variety of reports including emergency, geo-fence boundary crossings, low battery and scheduled GPS position.
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