How can we tell from a WiFi card spec whether the NIC is 2.4GHz or5GHz, or both?

Discussion in 'Wireless Internet' started by Ewald Böhm, Sep 7, 2015.

  1. Ewald Böhm

    aaron Guest

    That's not really true; in 2.4GHz, you can have the 11b rates as well as the 11g and 11n rates all enabled at the same time. In fast that's how I have my home router set up (because I want my wireless phone to work from my patio.)


    aaron, Oct 7, 2015
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  2. I didn't say anything about disabling OFDM rates, which as you note is
    not the way it's done. I vaguely recall reading in some of the many
    802.11n revisions, there was a clause that REQUIRED dropping 802.11
    and 802.11b (non-OFDM rates) if 802.11n was enabled. You could have
    the slow 802.11 and 802.11b speeds with the OFDM 802.11g rates, but
    not with 802.11n. Apparently, that got dropped somewhere along the
    line and I didn't notice. However, for maximum speeds, it's still
    commonly recommended that your turn off 802.11 and 802.11b:
    Jeff Liebermann, Oct 8, 2015
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