Hi.

Sure you can, if you know what wavelength you are working with and a few 
construction principles for the frequencies in question.  For example, as 
you get into the microwave ranges, construction techniques change quite a 
bit because inductive reactance becomes much more of an issue at higher 
frequencies.  However, if you understand the principles involved, you can 
make an antenna for anything.  Whether it is ham radio, or something else 
is irrelevant.

One thing you do have to watch though is whether or not the device you are 
making the antenna for is a Part 15 device.  That is because the gain of 
the supplied antenna is figured into the Part 15 specification, and if you 
put an antenna with more gain on it and cause interference to some other 
device, you will held to be at fault and in violation of FCC rules because 
you have violated the type acceptance of that device by putting a gain 
antenna on it.

73, de Lou K2LKK


At 02:21 PM 1/12/2007 -0600, you wrote:
>I am studying for my general class license.  I got to the chapters on
>antenna design.  I find this very fascinating.  I am curious now.  If
>you can build an antenna to work for ham radio, can you build an antenna
>to work for a wireless router?  If not why?
>
>
>
>--
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>2:04 PM

Louis Kim Kline
A.R.S. K2LKK
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