Normally only the feed element get changed as the foci and antenna
size relate to focusing the signal and are not dependent on the
frequency ('cept that you get more gain with the same size dish at
higher frequencies).
Many feeds will have one or more "driven" elements and reflectors
at the very end. The length of the driven element(s) and the spacing
of the reflector is frequency dependent. As for connectors, low
end antennas you will normally find just "N" connectors on a 2.4
and 5.8 GHz antenna. Higher end antennas will have the option to
use waveguide transmission line and will use the appropriate sized
waveguide connector.
Tim
On Fri, Jun 07, 2002 at 04:51:34PM -0700, Jason Johnson wrote:
> You'd have to change some of the sizes of the elements in the antenna as
> well as maybe some of the connectors, etc. Antennas vary in size and other
> aspects depending on the frequency of the signal they are designed for.
>
> You're probably better off buying a ready-made 802.11a antenna.
>
> Have you tried a shorter pringles can? :)
>
> --Jason
>
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of homebrew
> Sent: Friday, June 07, 2002 2:24 PM
> To: [EMAIL PROTECTED]
> Subject: [BAWUG] can you modify a parabolic 2.4 g to a 5.8g?
>
>
> I was wondering what is really the difference between the two
> antenas besides price.
>
> They look the same, can I just convert my 2.4ghz parabolic to work with a
> 5.8ghz card.
>
> Thx,
>
> Homebrew
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