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I'm in the middle of installing GPS tracking into my car using the following guide:

http://gizmodo.com/5691724/how-to-track-your-vehicle-on-the-cheap

Though I'd like to build something a little more elegant. Ideally my solution will have a programmable GPS unit and a sim card (cdma seems better than gsm tracking), with no unnecessary hardware. I'm hoping this will help keep the size, power consumption, and operating cost minimized, though I can only imagine that something like this would cost more than the $30 phone from the guide without good ol' economies of scale. Do you know of any way that I can build something like this on the cheap?

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  • \$\begingroup\$ How cheap? You could build with a GPS module like this one, which is 50 USD \$\endgroup\$
    – boardbite
    Commented Sep 7, 2012 at 5:36
  • \$\begingroup\$ The problem is that the phone you link to is most likely discounted/subsidized/sold at a loss. It would be difficult to approach that cost without tremendous effort (which would fall under the NRE category instead of parts cost). \$\endgroup\$
    – W5VO
    Commented Sep 7, 2012 at 15:06

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I've used this GPS module before. It works well and is probably the cheapest one you will find. How about using an old Android phone? I know my phone has a security app that tracks it if it's lost.

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