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  1. Ztrack

    Best way to build a device capable of using cell network

    If I can get to a low enough price point I will be able to purchase a minimum of 100K. Of course the price point will be a key part of establishing value.
  2. Ztrack

    Best way to build a device capable of using cell network

    VE1BLL, thank you for your support - I suppose my question is that isthis company can produce a phone for that price point, shouldn't it be possible to produce an even simpler (no key pad, display etc) device for less? Anyone know how this is possible? I've already heard from those who say it...
  3. Ztrack

    Best way to build a device capable of using cell network

    I am going to be manufacturing a new product that will need to be able to communicate via the cell tower network as a secondary function. I am trying to determine what the cost would be to install the components necessary to send data only. I have talked to some people who suggested that the...
  4. Ztrack

    Measuring Distance via Radio Waves

    I suppose I should explain a bit further. I will have 100s or even 1000s deployed in a city - each in motion (on automobiles). The ultimate goal is to approximate location without needing a pricy GPS in each one. I can do the math with only a couple known locations and extrapolate based on...
  5. Ztrack

    Measuring Distance via Radio Waves

    Does anyone know of a way to use radio to radio transmission to determine the distance between the two radios with an error of about a meter? These radios would need to be small and economical - preferably transmitting on a free frequency with the longest range possible.
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