Mixed (B+G), B-Only (restricted to 802.11b), or G-Only (restricted to 802.11g)?

Discussion in 'Tomato Firmware' started by Kiwi8, Jan 30, 2009.

  1. Kiwi8

    Kiwi8 LI Guru Member

    As found in the wikibooks entry of the Tomato firmware
    Is this really true? I seem to get better connection and throughput with "G-only" rather than "mixed" when I only have all G devices.

    What is your experience on this?
  2. Toastman

    Toastman Super Moderator Staff Member Member

    If you set to G only, the theory is that any B station attempting to connect will not negotiate the speed available on that channel down to the common B speed of 11Mbps (max).

    However, if there WAS a B device on that channel, the article is saying that it could be seen as interference by the router's receiver. If it is almost as strong, or stronger, than your wanted G signal, then it can block the receiver completely, and possibly slow things down even below the 11Mbps speed you had before. If not, then it should have little or no effect. On the other hand, if the receiver's demodulator is still allowing the B signal to be decoded, then the router will recognise the signal as a valid data transmission and wait until it has finished sending before transmitting itself. Whether it actually does this is set in the firmware - anyone know the answer?

    Setting to "mixed" may or may not improve things depending on your particular situation, choose what works for you.
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