GPS Tracking device

GPS Tracking GPS Tracking device gps vehicle tracker FEATURES: Connecting to external GPS antenna, internal Sirf 20 Channels High Sensitive GPS module Four-Band GSM 850/900/1800/1900 SMS/GPRS communication channels SMS function: Position Report Function and Tracking Function. 2 outputs can be used to remote cut electricity and oil of the car. 3 inputs can be used to detect unconventionality of your vehicle SOS Alarm: Set a preset phone number for SOS button, when this button is pressed, 800B will send one SOS SMS to the SOS preset number. Over speed alarm: When the 800B speed higher than the preset value, 800B will send one over speed alarm SMS to the SOS preset number. Set Geo-fence alarm. When the 800B move out preset scope, 800B will send one Geo-fence SMS to the SOS preset number.GPS/GPRS Specification: SOS Button :Driver can press SOS button for emergency General :L1 1575.42MHz, C/A code, 20 Parallel Channels Sensitivity: -143 dBm minimum Accuracy Position: 10m CEP without S/A Velocity: 0.1 m/sec without S/A WAAS Accuracy Position: 5m CEP Velocity: 0.05m/sec Acquisition:(1)Cold start: < 60sec average(2)Warm start: < 45sec average(3)Hot start: < 15sec average Antenna: External GSM and GPS Antenna Dimensions: 125.0mm*70.0mm*24.0mmPower Specification: Backup Battery: Built-in Rechargeable Battery Power Voltage: DC 9V-55VEnvironmental Specification: Operation Temperature: -20ºC to +70ºC Storage Temperature:-30ºC to +85ºC Operating Humidity: 5% to 95%