Re: 802.11b wireless lan equipment and ham radio ?

From: Henk Remijn (terhi.victor@logonet.com)
Date: Wed May 01 2002 - 21:47:03 EEST

  • Next message: Jack Zielke: "Re: 802.11b wireless lan equipment and ham radio ?"

    Hi,

    Why do you want to modify the frequency. These wireless devices already can
    be used without an amateur license. Some types already have an external
    antenna connector.

    Interesting link on this topic: http://www.ronen.ampr.org/~ronen/wlan.html

    73 Henk PA5KT

    ----- Original Message -----
    From: "Toussaint OTTAVI (TK1BI)" <pzv.afmc@gct.pt>
    To: "linux-hams" <hhadvaua@bbs.no>
    Sent: Wednesday, May 01, 2002 1:22 PM
    Subject: 802.11b wireless lan equipment and ham radio ?

    > Hi list,
    >
    > A few days ago, I saw a message about configuring a 802.11b network
    > adapter under Linux.
    >
    > For those who don't know, 802.11b (also called 'WiFi') is a wireless lan
    > protocol, to connect 'remote' computers to Ethernet networks via a
    > radio link. 802.11b equipments (network adapters, access points, bridges)
    > are becoming more and more popular, and prices are very affordable.
    >
    > These equipments are using freqencies over 2400 MHz. The exact
    > frequency coverage depends on country regulations, ie in France, only
    > 4 channels are allowed, around 2450 to 2480 (not sure about the exact
    > values). Maximum throughput is 11 Mbits with high efficiency modulation
    > techniques.
    >
    > PURPOSE:
    > --------
    >
    > Does someone think it would be technically possible to modify the
    > radio part of such a network adapter, in order to work on the amateur
    > radio 2.4 GHz frequencies (2350-2400) ?
    >
    > I presume this is not so easy ;-) This would anyway allow great
    > capabilities for high rate TCP/IP packet-radio links for affordable
    > prices.
    >
    > Could some specialists of SHF and/or digital modulation techniques give
    > us their point of view about the feasibility of such modifications on
    > commercial 802.11b equipments ?
    >
    > (sorry for my poor english which may be inaccurate ;-)
    >
    > Thanks for comments & best 73,
    > Toussaint.
    >
    > --
    > >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
    > Toussaint OTTAVI (TK1BI) WWW : http://kalliste.fr.fm
    > Phone : (+33) 6.10.28.41.72 (GSM) Email : pdsxiie@disentropy.net
    > Mail : B.P. 223, F-20179 AJACCIO Packet: ndmat.kfpvwsoi@antenna.gr
    > -
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