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Wireless router antenna

Discussion in 'Hobby Electronics' started by David Segall, Jan 22, 2010.

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  1. David Segall

    David Segall Guest

    Some time ago I added a high gain antenna
    <http://www.dlink.com.au/Products.aspx?Sec=1&Sub1=18&Sub2=38&PID=200>
    to my wireless router and it made a noticeable improvement to the
    performance. I have just upgraded the router and it has three antennae
    instead of one
    <http://www.asus.com.au/product.aspx?P_ID=WAa6AQFncrceRBEo>. If I
    substitute my high gain antenna for one of the supplied ones what
    effect will it have on the range and/or transfer speed. I am assuming
    that if I substituted all three then I would improve the performance.
     
  2. gcd

    gcd Guest

    Hi,
    No.

    Your new router is 802.11n. The idea of n is that it relies on multiple
    carriers to get throughput, and in some case this relies on multipath (or
    spatial) effects. It's possible that not all antennas will have all
    frequencies associated with it, if you put an antenna on one port and not
    the others you may actually reduce throughput. So if you must, change all
    three, not just one.

    Unless of course you are ONLY using it to connect to b or g devices, read
    the manual - it may offer a b and/or g mode which forces the router to use
    one port, in which case the answer then would be yes.

    Greg
     
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