... GPS two way car security system/car alarm system/vehicle alarm system to support complete car realtime tracking, alarm and fleet management. It integrates ... receiver, a GSM/GPRS modem and a bulit-in alarm system. RS3000B1 monitors various vehicle sensors, and provides customer ... chipset, module from Holux or Royaltek, L1, C/A code,1575.42MHZI/OInputsEmergency Button, 2xLow Level Voltage, 2xHigh Level, ...