GSM frequencies: 850/900/1800/1900MHz
GPRS standard: Class 12, TCP/IP
GPS positioning time:
Cold Start 30sec(open sky)
Warm Start 29sec(open sky)
Hot Start 5sec (open sky)
GPS positioning accuracy: 10-15 meters(open sky)
Operating Temperature: -20℃ ~ +70℃
Operating Humidity: 5% ~ 95% RH