Integrated assisted GPS solutions for security applications

Commercial services are available today, hich can determine cellular handset positio using cell ID techniques. Over the last couple of years, there has bee a proliferatio of GPS devices married to GSM modems used to report the positio of the vehicle back to a control centre, usually via SMS. Although there has bee a good take up of these systems, improvements ca no be made to make the system more robust i everyday usage, hile reducing installatio and on-going costs. GPRS provides a lo cost, high speed, reliable communications link for transmissio of high volumes of data. he used i conjunction ith the latest multi-correlator A-GPS receivers, it produces high sensitivity, high accuracy tracking devices for security and asset tracking applications.