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  click to enlarge
  Quad band GPRS module C2-S
• Sirf Str 3 based GPS module AarLogic GPS 3M
• ATMEL micro controller ATMEGA 162V-8AI with JTAG interface
• RS232 interface on +/- 12 Volt and CMOS level
• Standard 2,54 mm connectors

The making of an own AVL tracking device was never simpler then with GSM GPS module CN4-M
It already holds the components as below

Features of GPS tracking module

- Quad band GPRS module C2-S
- Sirf Str 3 based GPS module
- Full car / truck voltage range DC power supply DC 9 to 32 Volt
- RS232 interface on +/- 12 Volt and CMOS level
- SIM card holder
- ATMEL micro controller ATMEGA 162V-8AI with JTAG interface
- Standard 2,54 mm connectors
- RF connectors U.FL to wire RF cables or GSM/GPS antenna
- Several I/0 lines

It is supported by source code in C and Basic for the test server of GPS tracking applications www.track4free.com

By wiring the GSM GPS module to your car with cigarette light cable,  you get  a working tracking device. By developing a  small and simple adapter PCB to the dimensions of your enclosure you get your own unique GPS tracking device.

If you replace the GPS module, then you get a PCB for burglar alarm system or any other telemetry application. Please feel free for customised versions for your specific application.