John,
You might want to look at getting a phone that allows you to just have the one phone that can be used for voice and for data. I believe they call it tethering. I think it helps cut down on not having to have both an air card and a phone. There have been several discussions on this topic over on the Escapees Forum. And EVDOAlex is probably your best bet for getting some good technological info.
We use a regular air card and of course we have a regular voice phone. We have to pay for both a phone and the air card. One of these days we will probably look into the tethering thing. We don't use either one too much so we are overpaying for what we get.
Good luck and let us know what you end up getting.
Dennis
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