–
Positioning accuracy: 7m outdoors (CEP 95%) and <20m indoors
–
Supports GPS L1-band, C/A code
–
High sensitivity down to -155.5dBm for both acquisition and tracking
–
TTFF typically 3s when hot and <40s from cold (outdoors)
–
Supports A-GPS position aiding
1.7
Status Indicator
–
One red color LED indicating GPS position fix
–
One green color LED indicating GSM registration
1.8
Electrical Interface
–
10-pin connector
–
Connection for:
•
Power supply (from vehicle battery)
•
Primary digital output for driving external relay (“Starter Disabling”)
•
Secondary digital output for driving additional relay or LED, etc. . .
•
Primary digital input for ignition detection, active between 6 to 32Vdc
•
Secondary digital input (reserved) , active between 6 to 32Vdc
•
Analog input for sensor reading, maximum absolute rating. 5V, 20mA
–
All digital inputs and digital outputs are opto-isolated and all interfaces are ESD protected.
1.9
Service Port
–
Accessible from outside only after removing a plastic lid
–
Serial port at logic 2.8V TTL level (UART) + other electrical test points
–
Using external RS232 transceiver for connection to a computer for diagnostic and factory settings
1.10
Functions & Features
–
Immediate on-request reporting of vehicle status (position, speed, mileage, ignition status, GSM
RSSI. . . )
–
Periodic reporting of vehicle status (time and/or distance based)
–
Call screening
2
See section 2.1.2
14
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