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  • Hi Murali:

    IEEE 802.11 DSSS, HR/DSSS, and ERP transmissions in the 2.4 GHz band can be received by stations tuned to adjacent channels. This is one very good reason for the DS parameter set information element (IE) in beacons and probe responses. A scanning station might receive a probe response while tuned to channel five but by reading the DS parameter set IE know that the discovered BSS is centered on channel six.

    I hope this helps. Thanks. /criss

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