will the wireless card contained by my dell laptop (Dell Wireless 1390 Mini Card (802.11b/g, 54Mbps4) work with the at&t gateway
http://www.att.com/gen/general?pid=7319... ?
Answer:
Yes, it should work fine.
The short answer is yes it will. Both devices appear to comply beside the IEEE 802.11 spec. It appears that AT&T gateway supports 802.11g you will get the best blow for your buck.
I couldn't find anything relating to what security that AT&T device supports but you should be right to go.
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