"Elwood Dowd" wrote in message
...

47 CFR Part 22.925. This covers the cellular band of 824-894 MHz.
Does not call out the modulation or whether digital or analog.

That's the one, and there's the rub. Most (all?) of the carriers use
digital signals on 800MHz cells. Some (most?) can also use a newer
1.9GHz network. You have to know what kind of phone you have, and what
network it is using at a given time.

My Verizon phone displayes "1X" when it is in a 1.9GHz network, and is
therefore legal to use in the aircraft. It says "D" when in a standard
digital network and "A" in an analog network, neither of which is legal.


Careful, many CDMA2000 phones will operate in CDMA2000 1x mode in the 800
frequency range. According to this link, verizon is doing 1x in the 800
frequency range.

http://www.mobileisgood.com/nortelCustomers.html