Street Address: Room 1210, 1201, 1211, Unit B, Jiahe Building, Middle Shennan Road, Futian District, Shenzhen City, Guangdong
City: Shenzhen
Province: Guangdong
Country/Region: China
Specification GSM module Build-in GSM 900/1800/1900Mhz GPS sensitivity -159Db GPS frequency L1, 1575.42 MHz GPS Position Accuracy 5m25m GSM Position Accuracy 100m500m Velocity Accuracy 0.1 m/s Time Accuracy Synchronized to GPS time Default datum WGS-84 Hot start 1 sec., average Warm start 38 sec., average Altitude Limit 18,000 meters (60,000 feet) max. Velocity Limit 515 meters/second (1000 knots) max. Acceleration Limit Less than 4g 4Others Operating temperature -40°C 85° C Humidity 5% to 95% Non-condensing Dimension 77 mm × 45 mm × 25 mm Voltage Rechargeable and replaceable 850 mAh battery (3.7V), 5V for charging input. Charging connector DC 5V (USB port) work time Over 48 hours LED 3 LEDs showing Power, GPS and GSM status, And other operation status. KEY One SOS emergency keyPress over 3 seconds for calling and 6 seconds for sending SMS.