Range
I found that the range isn't that great with these. They are great between cars if you have groups going to the same place but can't be too far apart.
I tried about a mile away from my house they they don't work.
Again, great for a neighborhood watch type set up but won't work from a mile away.
Yes, you need sim cards to make them work.
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Last edited by 67Roadster; 07-20-2013 at 8:35 PM..
Reason: added info
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