... tracking 2.Track by SMS/GPRS on position platform 4.Multifunctional GPS tracker gps positioning systemMode H04 is the basic GPS ... as finance,firefighting,building,postal service,freight transport,air service,emergency,customs search for smuggle, leasing of tax and bus., ... the Positioning Platform by yourself. 2. Triggering Emergency Alarm: When there is a emergency happened on the vehicle, you can put ...