and I've not tested it in an emergency situation when the cell sites are saturates, but as a way of getting online when the power is out and the wires are down it works.
A lot of times the data cards run ona separate "channel" so voice calls don't saturate the data calls and vice versa.
That's interesting. I've got a router that accepts a PCMCIA broadband card, and it acts as both a WiFi base station and DHCP server and a 5-port switch. We use one at work when we're at a trade event and we want internet connectivity, I have one at home that I've been messing with as connection option, and I've used it for Gizmo5 calling to regular phones with great success.
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