Many times I've been asked to prove a regulation I swore happened. It was the
one stating that once a radio manufacturer certifies a radio with an antenna of
x gain, antennas with lower gain, but a similiar pattern and gain
characteristics can be used without certification.
On various lists I have been basically laughed at. Well, I found a reference
to it today, so I tracked it down.
Here is the text of the R&O in question:
8. In order to support more flexible antenna requirements for
unlicensed devices, the Commission proposed to allow that devices be
authorized for use with multiple antennas. Although the Commission
proposed to modify Sec. 15.203 to implement the modifications, it
believes that the changes are better suited for Sec. 15.204.
Accordingly, the Commission modifies Sec. 15.204 to permit intentional
radiators to be authorized with multiple antennas of similar in and
out-of-band gain and radiation pattern. Compliance testing for the
intentional radiator must be performed using the highest gain antenna
that will be used with the device. The manufacturer must supply a list
of other acceptable antennas in the literature delivered to the
customer.
http://frwebgate.access.gpo.gov/cgi-bin/multidb.cgi?WAISdbName=2004_register+Federal+Register%2C+Volume+69+%282004%29&WAISqueryRule=%28%22page+54027%22%29&WAIStemplate=multidb_results.html&WrapperTemplate=aces140_wrapper.html&WAISqueryString=%22page+54027%22&WAISmaxHits=40
http://frwebgate2.access.gpo.gov/cgi-bin/waisgate.cgi?WAISdocID=949617394663+1+0+0&WAISaction=retrieve
http://frwebgate2.access.gpo.gov/cgi-bin/waisgate.cgi?WAISdocID=949617394663+1+1+0&WAISaction=retrieve
http://frwebgate2.access.gpo.gov/cgi-bin/waisgate.cgi?WAISdocID=949617394663+1+2+0&WAISaction=retrieve
-----
Mike Hammett
Intelligent Computing Solutions
http://www.ics-il.com
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