I would highly suggest that you read the following:
http://www.lns.com/papers/part15/Regulations_Affecting_802_11.pdf
More specifically these parts in regards to this thread:
"Part 15 devices are designed to be installed and used
by the general public. With this in mind, the
Commission wants them to be as "idiot proof" as
possible. They have severe limitations on what you
can do with this gear.
For instance, the Rules states:
15.203 - An intentional radiator shall be designed
to ensure that no antenna other than that furnished
by the responsible party shall be used with the
device.
A bit further the Rules repeats the same sentiment:
15.204(c) - Only the antenna with which an
intentional radiator is authorized may be used with
the intentional radiator.
The basics of certification can be found in FCC 2.901
through 2.1093.
The requirement for Part 15 devices can be found at 15.201.
Equipment can be certified a couple of ways, as a
component or as a "system". In the case of a
component, you can have a piece of equipment known
as a transmitter, an amplifier or an antenna. All can be
mixed and matched with each other. If you have
equipment certified as a system, it can't be used with
other equipment. See: 15.203 and 15.204...
15.204(b) - A transmission system consisting of an
intentional radiator, an external radio frequency
power amplifier, and an antenna, may be
authorized, marketed and used under this part.
However, when a transmission system is
authorized as a system, it must always be marketed
as a complete system and must always be used in
the configuration in which it was authorized. An
external radio frequency power amplifier shall be
marketed only in the system configuration with
which the amplifier is authorized and shall not be
marketed as a separate product.
In other words, you can't take an Access Point that is
certified as a "system" and attach an antenna that isn't
a part of its certification."
Yury Gitman wrote:
just talked to owner of superpass.com, which sells
and patents their own 2.4Mhz antenna. and he says
there is not such thing as a "FCC-approved
antenna,"..."ever in the history of antennas." There
is FCC regulations about connecting antennas to radios
(card and base station). BUT, the antenna is a passive
manufactured component and does not need FCC approval.
It is a fine point. But so far it looks like Tech Tv
got it wrong, when it said "Legally, you may only
attach an FCC-approved antenna to your card/base
station." True, there are a host of regulation issues
once you connect the antenna to the radio. --- But
apparently (and according to superpass who has a
vested interest) there is not such thing as an
"FCC-approved antenna."
if the above is correct, The Pringles can antenna is
just as legal as any antenna you can buy at the store.
Y.
--- Ken Caruso <[EMAIL PROTECTED]> wrote:
To the best of my knowledge the FCC has not busted
anyone for a
pringles can. However they are technically not
within FCC regs. In
addition to total output power, antennas, pigtails
and amps should be
certified to work the card you are using.
-Ken
On Monday, November 4, 2002, at 09:13 AM, yurysan*
wrote:
The Tech TV story tonight claimed Pringles and
homemade antennas are
"not legal." Is this totally accurate? any
lawyers or lawyer types
know how illegal homemade wifi antennas are? or
how much the FCC
actually cares...?
-----------------------------------from:
http://www.techtv.com/screensavers/howto/story/0,24330,3406172,00.html
"It's also not legal by FCC rules. Legally, you
may only attach an
FCC-approved antenna to your card/base station.
Homemade antennas are
decidedly not approved. Some things to think about
here before you
chow down on the Pringles.
* If the FCC comes knocking at your door,
apologize and take the
antenna down.
* You may be creating problems for other folks and
other wireless
devices if you blast your wireless signal over the
neighborhood.
* You may be creating problems for community Wi-Fi
efforts if you tick
off the FCC enough to come out to your town.
* It's highly unlikely, but the FCC could make an
example of you. Can
you say, "I need a lawyer, fast?"
* Finally, the experts I've talked to say that
many commercial
antennas can kick the snot out of Pringles can
antennas. (They
definitely look cooler.)"
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