... audio report position support remote terminal support both GPS/GSM support monitoring GPS/GSM/GPRS tracker car /vehicle GPS tracking with autiomatic report ... x 25mm Weight: 100g Network: GSM/GPRS Band: 850, 900, 1,800 and 1,900MHz GSM sensitivity: less than 102dBm GPS chipset ... We will work with you to slove any problems. GPS/GSM/GPRS tracker car /vehicle GPS tracking with autiomatic report position ...