"GPS tracker and T300B
Features: T30C, T30E, T300C, T300E can support platform TS610
Connecting to external GPS antenna, internal Sirf 20 channels high sensitive GPS module
Quad Band GSM 850/900/1800/1900

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, T300B will send one over speed alarm SMS to the SOS preset number
Authorized wiretapping: The vehicle can be wiretapped as authorized (a tiny microphone needs to be installed).

GPS/GSM specification:
SOS button: Driver can press SOS button for emergency
General: L1 1575.42MHz, C/A code, and 20 parallel channels
Sensitivity: -143dBm 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:
Cold start: Less than 60s average
Warm start: Less than 45s average
Hot start: Less than 15s average
Antenna: External GSM and GPS antenna
Dimensions: 125.0 x 70.0 x 24.0mm
Power specification:
Backup battery: Built-in rechargeable battery
Power voltage: DC 9V-55V
Environmental specification:
Operating humidity: 5% to 95%.