GSM car alarm system: Can work with 800/900/1800/1900 Mhz Frequency; New design/High quality; Good price; 16month warranty GSM car alarm systemseries:Industreial GSM module operationCan work with 800/900/1800/1900 Mhz Frequency.Latest remote and super long distance control systemIntelligent speaking operating menu,easy operatingThree alarming numbers to call circularlyMonitor real-time vehicle's ...
