GPS Tracker   T300A1
Patent No.:  200820213573.2
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, T300B will send one SOS SMS to the SOS preset number.
Over speed alarm. When the T300B speed higher than the preset value,T300A1 will send one over speed alarm SMS to the SOS preset number.
Set Geo-fence alarm. When the T300B move out preset scope, T300B 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*24.0mm
Power Specification:
Backup Battery :Built-in Rechargeable Battery
Power Voltage: DC 9V-55V
Environmental Specification:
Operation Temperature: -20ºC to +70ºC
Storage Temperature :-30ºC to +85ºC
Operating Humidity: 5% to 95%