User's Manual

CAREU UCAN 3G - User Guide
2
Chapter 1
The firmware in the device applies intelligent filtering to overcome coverage
limitations for both GPS and GSM/GPRS networks. Motion sensor controls the status
of the device, whether in sleep, idle or fully-powered mode, and thereby controls the
amount of current consumed by the device. The device supports over-the-air firmware
upgrade to deliver additional functionality without physically touching the device once
installed.
1.4 Hardware Architecture
As hardware is concerned, the CAREU UCAN 3G is comprised of a micro-
controller, regulator, GPS receiver, GSM/GPRS modem, G-Force sensor, flash
memory data storage.
● Users can connect PC's Hyper Terminal to the diagnostic setting port for the AVL
configuration.
● G-Sensor is for car accident prevention, car tow-away warning and power
management.
SPI
FLASH
G-Sensor
CAN
Transceiver
GPS
GSM
Modem
CPU
USB
Power
1.5 Related Document
[1] CAREU UCAN 3G Protocol Document