http://www.dartvernon.com/ghz-wireless/

the frequency band of 2.4 ghz wireless LAN and 5 wireless LAN incompatible?
My Sony Vaio laptop gives me this message and asks me to switch systems to same frequency in order to connect successfully. I can't acquire an IP from my Sagem router. What is that about?
i think one or both of your router and wireless crad(in your laptop) does not support both frequinces
you should seek (in both) for letters a, b and g
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