GPS Tracker

GSM module                                                        Build-in GSM 900/1800/1900Mhz
GPS sensitivity                                                    -159Db
GPS frequency                                                    L1, 1575.42 Mhz
GPS Position Accuracy                                        5m-25m
GPS Position Accuracy                                       100m-500m
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 (60,00 feet) max.
Velocity Limit                                                       515 meters/second (1000 knots) max
Acceleration Limit                                                 Less than 4g
Dimension                                                            77 mm*45mm*25mm
KEY                                                                     One SOS emergency key: urgent call

The GPS Tracker combines GSM & GPS technology, Is the typical model of the combination of communication products.