A self-contained self-powered GPS / Wireless-Modem Tracking Module for Fleet use, for Vehicle Security, Asset Tracking and Personal Safety.

Philip G. Mattos, Geoff Haynes

Abstract:	The availability of a two-chip GPS with spare CPU time and I/O ports, and low-cost wireless-modem modules, offers the possibility to combine the two, with no additional hardware other than power management. The connection between the GPS CPU and the modem is simply RS232 pins... all addi-tional work above the GPS software supplied by ST, and the customised I/O software supplied by SiGEM, is the software for power mode selection to meet user needs.
Published in:	Proceedings of the 12th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1999) September 14 - 17, 1999 Nashville, TN
Pages:	2175 - 2180
Cite this article:	Mattos, Philip G., Haynes, Geoff, "A self-contained self-powered GPS / Wireless-Modem Tracking Module for Fleet use, for Vehicle Security, Asset Tracking and Personal Safety.," Proceedings of the 12th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1999), Nashville, TN, September 1999, pp. 2175-2180.
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