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Cisco wireless AP dot11Radio 0 and 1

Posted on 2013-05-20
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Last Modified: 2013-05-21
hello Experts
i have several Cisco 1252 wireless AP, in the configuration, interface dot11radio 0 and 1, i am not sure it is for what, could you let me know what is different between dot11radio 0 and 1? it is for what scene?

thank you
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Question by:beardog1113
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Ken Boone earned 2000 total points
ID: 39183292
Yes there are 2 radios in that AP.. The dot11radio 0 is the B/G radio and the dot11radio 0 is the A radio.  They operate on two different frequency ranges.

The A range is less crowded - wider spectrum with more channels, but the reach is not as far.
The B/G range is more crowded - bluetooth, wireless phones (not cell), etc.. use this range as well.  Only 3 non overlapping channels in the space, but it has farther reach than the A range.

B/G has been around a lot longer and traditionally when A came out it was used more for a bridging solution than a client solution.  Its really just been the past few years that laptop makers started even putting A wireless cards in laptops.  They have been doing the B/G for years so it is more prevalent.

Hope that helps.
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by:beardog1113
ID: 39183303
hello Ken
dot11radio 0 is B/G, it is 2.4GHz
dot11radio 1 is A radio, it is 5GHz

does it correct?

thank you
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Expert Comment

by:Ken Boone
ID: 39184290
Yes that is correct.
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Author Closing Comment

by:beardog1113
ID: 39186237
thanks
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