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Thread: USB 802.11b adapter with external antenna anyone?

  1. #1
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    USB 802.11b adapter with external antenna anyone?

    Does anyone know of a specific brand of USB 802.11b adapter that supports the use of an external antenna that can be mounted outside the vehicle? Most I have seen have the antenna built.

  2. #2
    Raw Wave Laidback's Avatar
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    Quote Originally Posted by cyjad
    Does anyone know of a specific brand of USB 802.11b adapter that supports the use of an external antenna that can be mounted outside the vehicle? Most I have seen have the antenna built.
    Um, wrong forum, try this - http://forums.netstumbler.com/
    There's more info there than you could ever need!

  3. #3
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    I just did a bit of research on 802.11b cards and antennas..

    Best 802.11b PCMCIA card Senao SL-2511CD PLUS EXT2

    Best external antenna for vehicle mounting 8 dBi Magnetic Mount Omni Antenna


    The best price I found for the Senao card is $75 at

    http://www.netgate.com/NL2511.html or http://www.hautespot.net/products/onlinecatalog.html

    The antenna can be found at http://www.hyperlinktech.com/web/hg2409mgu.php

    There is also a cheaper and more sturdy 5 dBi antenna at
    http://www.hyperlinktech.com/web/hg2405mgu.php

    Took me a few hours to read about all the info, but it was worth it. If I keep reading about new stuff like this I'm never going to get anything done! 8)

    Bill.

  4. #4
    Raw Wave Laidback's Avatar
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    Quote Originally Posted by bill_best
    I just did a bit of research on 802.11b cards and antennas..

    Best 802.11b PCMCIA card Senao SL-2511CD PLUS EXT2

    Best external antenna for vehicle mounting 8 dBi Magnetic Mount Omni Antenna


    The best price I found for the Senao card is $75 at

    http://www.netgate.com/NL2511.html or http://www.hautespot.net/products/onlinecatalog.html

    The antenna can be found at http://www.hyperlinktech.com/web/hg2409mgu.php

    There is also a cheaper and more sturdy 5 dBi antenna at
    http://www.hyperlinktech.com/web/hg2405mgu.php

    Took me a few hours to read about all the info, but it was worth it. If I keep reading about new stuff like this I'm never going to get anything done! 8)

    Bill.
    Hmmm, the Senao does sound good! I wonder how it compares with the Horizon D2D thingy? http://forums.netstumbler.com/showth...&highlight=D2D Maybe better as there's no external antenna connection on the Horizon!

  5. #5
    Raw Wave wizardPC's Avatar
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    the Orinoco USB client adapters are actually USB->PCMCIA adapters with PCMCIA Orinoco cards, surrounded by a big plastic enclosure. Break open the enclosure, and there is an antenna connector on the card
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  6. #6
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    are the 802.11 antennas wired a specific way? couldn't you just attach it to you car's radio antenna?

  7. #7
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    An FM Broadcast-band antenna and 802.11b antenna are vastly different - the wavelength of a tuned 802.11b antenna is about 1/24 that of the FM BCB (100MHz) - and typically the 802.11b antennas are constructed to have much more gain than a simple 1/4-wave antenna like the FM antenna is. Most antennas, especially those the transmit as well as receive, are tuned over a narrow frequency range - typically only a few percent of the carrier frequency.

  8. #8
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    Quote Originally Posted by bill_best
    The antenna can be found at http://www.hyperlinktech.com/web/hg2409mgu.php

    There is also a cheaper and more sturdy 5 dBi antenna at
    http://www.hyperlinktech.com/web/hg2405mgu.php
    Spend the extra money and get the 8dbi antenna. You will get practically twice the distance.
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