"Use Interference Robustness"

Discussion in 'Mac Basics and Help' started by pilotkid, Sep 25, 2006.

  1. pilotkid macrumors 6502a

    Aug 22, 2006
    Chandler, AZ/Chicago, IL
    While trying to trouble shoot why my internet speed is still soooo slow i came upon this option when i clicked on my signal strength and was wondering what it is??? Again the option is called "Use Interference Robustness" What is that???:confused: :D
  2. Demon Hunter macrumors 68020

    Mar 30, 2004
    I thought it had something to do with microwaves.
  3. Fearless Leader macrumors 68020

    Mar 21, 2006
    Warning gona geek out on ya.

    On most devices that run on the 2.4ghz frequency they run in 8ms bursts with 8ms rest, wifi normally runs in 16ms burst and 8 or 16ms rest, i believe. When the two are running the 8ms burst of the other devices cuts out 8ms of the transmisions on the airport. the interface robustness figures out when to send out 8ms burst to not get cut out.

    and yes microwaves do have to do with it. Microwave ovens your wificard, wireless router, wireless phones, all run on microwaves, just at diffrent strength.
  4. WildCowboy Administrator/Editor


    Staff Member

    Jan 20, 2005
    Yeah, it's supposed to provide some defense against interference from other devices. Apple has been silent on what exactly it's supposed to do, but I remember reading an article somewhere about it having to do specifically with interference from microwaves. Something about the usual techniques used to reduce interference actually causing increased interference due to the periodic nature of interference generated by microwaves.
  5. iMacZealot macrumors 68020

    Mar 11, 2005
    I've always had it checked, and I think it gets me better coverage, especially with the plethora of 2.4 GHz phones surrounding me.
  6. EricNau Moderator emeritus


    Apr 27, 2005
    San Francisco, CA
    Does it make a difference where you check interference robustness? There is the option on the computer (under the airport menu) and the option on any apple base station (in the Airport Admin Utility). Should both be checked? Does it matter?

    What if you don't have a Apple base station, does it make any difference checking it on your computer?
  7. Fearless Leader macrumors 68020

    Mar 21, 2006
    only use it if you have alot of interferance. When it shortens its burst period it also lowers the speed, makes it a bit slower. Apple and apple hardware would be ideal, but alot of hardware supports it, they just automaticly select it instead of an option.

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