About the Technology

• What is GPS?

• Wireless networks explained

• What is AVL?

• What is Telematics?

What is GPS?

GPS is a constellation of 24 satellites that orbit the earth. These satellites are continuously transmitting data to the GPS receiver embedded in BSM's vehicle tracking products which determines a latitude and longitude fix and also calculates the difference in fixes to immediately calculate speed and direction of the vehicle.

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Wireless networks explained

To date, wireless services have primarily been comprised of voice, paging and messaging. Now, in addition to these popular wireless applications, the ongoing convergence of wireless and data/Internet is opening the door to a myriad of new data service opportunities. At the end of 1999, there were 470 million wireless subscribers worldwide, compared with 309 million in 1998 (161% growth.) While forecasts vary, most industry observers forecast that the global wireless subscriber base will double within three years to 1 billion by 2003.

Wireless networks have transitioned from 1st generation analogue technologies such as AMPS to 2nd generation (2G) technologies such as CDPD, GSM, TDMA, CDMA, and more recently to 2.5/3rd generation (2.5G/3G) technologies such as GPRS and CDMA2000 (1X).

General Packet Radio Service (GPRS): A 2.5G packet-based transitional wireless technology that offers data transfer rates in the range of 56 -114Kbps.GPRS is typically deployed over circuit-switched GSM or TDMA networks,and is a shared bandwidth wireless data protocol. Worldwide deployment started in late 2000 and is ongoing.An extension to GPRS is EDGE, which supports data transfer rates up to 384Kbps.

Code Division Multiple Access (CDMA2000): A harmonized wideband (IS-136)3G wireless technology that supports data ranges from 144Kbps -2Mbps,and comes in 1x or 3x multi-carrier offerings.This technology will be the transition path for many carriers operating CDMA networks,with worldwide deployment expected to begin in the first half of 2002.

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What is AVL?

Automatic vehicle location (AVL) combines both GPS and wireless data networks for the purpose of tracking, monitoring and exchanging information with remote vehicles.

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What is Telematics?

The term telematics originated in Europe and remains widely used in the automotive industry. Telematics devices combine a wireless communications device with location sensing-technology and in some cases a service provider to provide a safety and convenience services to drivers. A wide range of services fall under the Telematics umbrella and these include:

• Emergency roadside assistance

• Stolen vehicle tracking

• Automatic crash notification

• Remote engine diagnostics

• Navigation assistance

• Concierge services (such as ordering tickets, making reservations, etc.)

• Receiving and sending e-mail.

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© BSM Technologies Inc. 2008. All Rights Reserved. BSM Wireless and HGI Wireless are subsidiaries of BSM Technologies.


BSM Technologies specializes in solutions for fleet management, vehicle security protection and tracking, and law enforcement bait car  vehicle anti-theft program. Our solutions are based on AVSL (Automatic Vehicle Security and Tracking), GPS, UDP, GIS, Telematics, Internet and wireless communication technologies.