User's Manual

Chapter 1
CAREU U1 Lite Vehicle Tracker User
1.4 Hardware Architecture
As hardware is concerned, the CAREU U1 Lite is comprised of a micro-controller,
regulator, GPS receiver, GSM/GPRS modem, G-Force sensor, flash memory data
storage,
I/Os interface and LED status indicators.
• Users can connect PC's HyperTerminal to the Diagnostic/setting port for the AVL
configuration.
• G-Sensor for car accident prevention, car tow-away warning and power management.
• The audio interface supports hand-free phone call.
• GPIO that connects to any customer monitoring points by door switch, anti-thief or
actuators.
• The A/D input that connects the analog signal sensor to the AVL, such as the fuel or
temperature sensor.
1.5 Related Document
[1] CAREU U1 Lite Protocol Document