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The TS204G module is responsible for reading and handling vehicle internal and logistics information, besides providing the communication interface with the manager application.   
It is equipped with a GPS receiver that reads, at each fraction of second, all information on position, movement, UTC time, direction and speed of the vehicle. The module also reads the engine situation (on/off), input and output devices, internal counter results, odometer absolute value, internal temperature and power source voltage.   
The online communication architecture is based on GSM/GPRS.

Application:

* Real time tracking system that allows security applications, to control and take care of alarms and emergencies, and logistics applications, to define routes and schedules, path corrections and define permissions for certain areas, among others. It is a tool for real time operation management and with accurate and unbreakable information.

* The AVL (Automatic Vehicle Location) onboard equipment, added to the operation and fleet management software, provides countless resources for several applications such as:
- Vehicle tracking and security
- Applied logistics on fleet management
- Enhancing operation on public transportation system
- Road trip transportation monitoring

Main Functions:

* Stores vehicle realtime positions
* Executes actions based on location
* Transmits real time position and online status
* Includes digital odometer and hourmeter
* Takes automatic decisions, based on pre-established configurations
* Receives commands from digital tone telephones
* Allows GPRS and voice channel (DTMF) communication
* Has hands-free communication, with active listening circuit
* Allows remote update and setup

Specifications:

* 20 channel GPS receiver with SiRF Star III technology
* Real time communication circuit
* Simcom300/400 GSM / GPRS dual band 850/900/1800/1900 Mhz modem (optional four band modem)
* Magnetic base active antenna
* Input and output connections for up to 04 sensors / 04 actuators
* 02 serial ports, to configure and communicate with peripheral equipment
* 32M Flash memory
* Stores up to 200,000 vehicle positions
* Registers more than 800 reference points
* Measures internal temperature and voltage
* Power source: 10 to 35 VDC
* Consumption: 2A/h max (GPS on, Loudspeaker on), 180mA/h average (GPS on, GPRS connected), 30mA/h Stand-by (GPS  off, GSM in standby), 10mA/h sleep mode (GPS off, GSM off)
* Temperature: -10 to 70 Celsius
* Vibration: 0,008 g2/Hz (5 Hz to 20 Hz), 0,05 g2/Hz (20 Hz to 100 Hz)
* Humidity: 5% to 95%
* Weight: 380g
* Size: 125mm (length) x 95mm (width) x 43mm (height)