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Thread: Antenna Query

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    The Old Fox csgohan4's Avatar
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    Antenna Query

    I've just bought a TP link dual band PCI e wireless card and was wondering if I could use other antennas with this. I also note that antennas are being sold with different bands.

    Therefore even though my card is dual band, I presume if i bought a 7dbi antenna like this one it will not work on dual band as it says its only for single band?
    Last edited by csgohan4; 27-11-2012 at 04:01 PM.
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    The late but legendary peterb - Onward and Upward peterb's Avatar
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    Re: Antenna Query

    Correct, it will only provide optimum performance at the frequency for which it was designed.
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    Banhammer in peace PeterB kalniel's Avatar
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    Re: Antenna Query

    But if you're using that frequency then it's all good. The dual band in your adaptor means it can be used for 802.11a networks which work on 5ghz frequency, as well as 802.11b/g/n which work on 2.4ghz. Hardly anyone has a 802.11a network these days, so if you're on a b/g/n network then the single band antenna is just fine.

    However.. that adaptor can use MIMO, which is basically multiple antennas, to boost the signal. To keep this effect you'd need to buy three replacement antennas.

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    Re: Antenna Query

    Thanks, thought it would be ok to buy 2.4GHZ antenna to get 5ghz bandwidth. Guess I'll have to scour the net for them.
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    Re: Antenna Query

    Thanks, thought it would be ok to buy 2.4GHZ antenna to get 5ghz bandwidth. Guess I'll have to scour the net for them.
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    Banhammer in peace PeterB kalniel's Avatar
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    Re: Antenna Query

    Quote Originally Posted by csgohan4 View Post
    Thanks, thought it would be ok to buy 2.4GHZ antenna to get 5ghz bandwidth. Guess I'll have to scour the net for them.
    Why are you interested in the 5ghz frequency though?

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    The Old Fox csgohan4's Avatar
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    Re: Antenna Query

    Less interference in theory and more stable/ faster wifi

    Any suggestions for a decent 5ghz antenna?
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    Banhammer in peace PeterB kalniel's Avatar
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    Re: Antenna Query

    Quote Originally Posted by csgohan4 View Post
    Less interference in theory and more stable/ faster wifi
    It's much slower. Realistically you're talking about 20mbps, and you have to make sure all your equipment can talk to 5ghz.

    Stick with 802.11n (2.4ghz) and the theoretical max is nearer 600mbps. Unless interference is so bad that you'd go slower than 20mbps.

    Any suggestions for a decent 5ghz antenna?
    They haven't been made for ages for the home user. You could try something like this:
    http://www.amazon.co.uk/TP-LINK-TL-A.../dp/B009T7B95K

    But I expect that's a bit much.

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