[Yaesu] Re: [ICOM] Wired vs Wireless Routers for RFI

[Dale McGraw]

I went to shielded ethernet cables at all points and it mad a tremendous
difference.,  Even on wired only routers.

73 Dale K0JXI

Avi - Modi'im Orchards wrote:

> I think someone here pointed out that it could be noise from the wall-wart
> power supply that is giving you the trouble. Perhaps try a different
> wallwart, or some ferrite cores, or even, temporarily just for the test, a
> battey pack at the correct voltage.
>
> -avi 4X6UA
>
> ----- Original Message -----
> From: "Dave Holford" <holford at cogeco.ca>
> To: "ICOM Reflector" <icom at mailman.qth.net>
> Cc: <yaesu at contesting.com>; <ft100 at yahoogroups.com>; <rfi at contesting.com>;
> <yaesu at mailman.qth.net>
> Sent: Wednesday, January 09, 2008 22:41
> Subject: [Yaesu] Re: [ICOM] Wired vs Wireless Routers for RFI
>
> Hi John,
>
> I installed a D-Link DI-604 wired router a while back, using Cat-5 cables.
> The router is within 8 feet of multiple receivers, and router and cables
> are about 20 feet from the feedpoint of an inverted L.
> I have not noticed any increase in noise or birdies over the stuff that
> was there before - neighbors TV and stuff!
>
> Also there is no evidence of RF to the network on any frequency from
> 160m to 70cm running 100 Watts on HF and 30-50 Watts on VHF/UHF.
>
> Dave, VE3HLU
>
> John Geiger wrote:
>
> >I have tried 3 different wireless routers(Linksys,
> >Netgear, and Ativa) and all 3 have put birdies on the
> >20 meter band (maybe other places, but it is so bad on
> >20m I gave up and didn't check other bands).  I was
> >using them in a wired fashion, and all 3 put birdies
> >on the same frequencies, which makes me think that it
> >is something related to the workings of the router.
> >The ethernet wires I have run around the house are
> >radiating the birdies, as they disappear when I
> >disconnect the wires.  However, I cannot afford to go
> >wireless right now with buying all of the wireless
> >equipment.
> >
> >Are wired routers using exactly the same circuitry
> >(meaning they cause the same birdies) or have people
> >found wired routers to be quieter RF wise.  I will
> >probably break down and try one anyways, but thought I
> >would try to get some feedback first.
> >
> >I am back to using my ethernet hub which is quiet with
> >the ethernet wires running around the house, but the
> >ISP will only give me 2 IP addresses, so the computer
> >sitting next to the radio hasn't been connected to the
> >internet for a couple of weeks.
> >
> >73s John AA5JG
> >
> >
>
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