I think a modem would still fall under the part 15 rules as a class B digital device or at least as an unintentional radiator,
Bob Young Millbury, Ma > ------------------------------ > > Message: 7 > Date: Wed, 23 Oct 2013 10:22:49 -0400 > From: "Paul B. Walker, Jr." <[email protected]> > To: Mailing list for the International Radio Club of America > <[email protected]> > Subject: Re: [IRCA] [NRC-AM] Modem Noise update > Message-ID: > <CADC3Yg308Yq3UN0-Ew5v=6rukz3JLZGdMeXZWPzawsNh=e_...@mail.gmail.com> > Content-Type: text/plain; charset=ISO-8859-1 > > it may or may not be a part 15 device.. my modem doesnt indicate that it is. > > Paul > > > On Wed, Oct 23, 2013 at 10:19 AM, Bob Young <[email protected]> wrote: > > > Why don't you complain to the FTC that it is not shielded according to > > part 15 inteference levels or something like that? We should band together > > and find the proper government bureau to complain to, although we all know > > complaining to the do nothing FCC won't do any good. > > > > > > Bob Young > > > > Millbury, Ma > > > > > > > > From: [email protected] > > To: [email protected] > > Date: Wed, 23 Oct 2013 01:34:39 -0700 > > CC: [email protected] > > Subject: Re: [NRC-AM] [IRCA] Modem Noise update > > > > > > > > > > There seems to be an issue with the Arris modems for RF noise. I checked > > online and found a few complaints. There is little shielding in the plastic > > boxes and since the only compatible dual modems for cable seems to be > > Arris ones, it looks like my only choice is to just switch it off when > > DXing. There is no walwart, and the unit just seems to radiate lots of > > harmonics. Shielding the unit, helped a bit. But others have tried chokes, > > shielding, you name it. It seems to be an issue with this unit. The price > > is $227 as dual modems are not inexpensive, but I guess shutting it off > > will work. To get phone calls, I will transfer the numbers to my cel phone > > and the transfer works even when there in no power. But at least, the noise > > is something I can control. But going into this I figured I may have > > issues. That is one reason I was reluctant to go with high speed for years, > > but at least I can switch the modem off. Not what I had hoped, but whatever > > works. Thanks for everyones advice! > > .. > > > > Patrick Martin Seaside OR KGED QSL Manager > > > From: [email protected]> > > > On Friday, October 18, 2013 10:40 PM, > > Patrick Martin <[email protected]> wrote:> > > I checked today and yes the > > modem noise is still there, just less with the shield. I have hooked up a > > switch to just click it off when I want to DX. I can forward my calls to > > the cel phone so I will still get them. I will have to come up with > > something else. Maybe there is a dual Modem out there that does not QRN. If > > not, I will just have to turn it off. Not convenient but it works. > At > > least the cable creates no noise. I also have an idea, the QRN may be > > getting into the power.> > Patrick> > Patrick Martin> Seaside OR> KGED QSL > > Manager > > > > > _______________________________________________ The NRC AM mailing list > > Questions? [email protected] Antenna Pattern Book Now Shipping AM Radio > > Log is now shipping! FM Atlas 21st Edition Close Out Prices! Details at > > http://www.nrcdxas.org > > _______________________________________________ > > IRCA mailing list > > [email protected] > > http://montreal.kotalampi.com/mailman/listinfo/irca > > > > Opinions expressed in messages on this mailing list are those of the > > original contributors and do not necessarily reflect the opinion of the > > IRCA, its editors, publishing staff, or officers > > > > For more information: http://www.ircaonline.org > > > > To Post a message: [email protected] > > > > > > > ------------------------------ > > Subject: Digest Footer > > _______________________________________________ > IRCA mailing list > [email protected] > http://montreal.kotalampi.com/mailman/listinfo/irca > > Opinions expressed in messages on this mailing list are those of the original > contributors and do not necessarily reflect the opinion of the IRCA, its > editors, publishing staff, or officers > > For more information: http://www.ircaonline.org > > To Post a message: [email protected] > > > > ------------------------------ > > End of IRCA Digest, Vol 114, Issue 73 > ************************************* _______________________________________________ IRCA mailing list [email protected] http://montreal.kotalampi.com/mailman/listinfo/irca Opinions expressed in messages on this mailing list are those of the original contributors and do not necessarily reflect the opinion of the IRCA, its editors, publishing staff, or officers For more information: http://www.ircaonline.org To Post a message: [email protected]
