Product Name: Automatic Vehicle Locator
Price: US$
Detail: Introductions:

SJ-5291 is a versatile and economical platform for mobile positioning appli-cations.It integrates Sheng Jay GPS module with Quad-band 850 / 900 / 1800 / 1900GSM / GPRS communication module and powerful microcontroller all onto a single board.

It is enclosed in a solid