cat6 is usually what it goes by i think.
or shielded cat5 perhaps.
me thinks cat6 though.
73
Colin, v a6BKX
----- Original Message ----- 
From: "John Miller" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, September 08, 2010 9:38 PM
Subject: Re: Wireless router


> have you tried shielded Ethernet cables between the box and router? I 
> forget
> exactly what it's called but I have a run around here somewhere,  haven't
> seen it since the move but I still have about 15 boxes I have yet to go
> through too and at least 3 are computer stuff. There is shielded Ethernet
> cable out there though if you can find it, that *should* fix your problem. 
> I
> have a 12 foot run of it here somewhere but not sure where. I have Tivo
> hooked to my router with no problems with regular Ethernet cat5 cable.
> Something I had a while back though did have a similar problem and that's
> what I did to fix it. I don't know much about those boxes, but there's got
> to be a fix.
> ----- Original Message ----- 
> From: "colin McDonald" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Wednesday, September 08, 2010 11:19 PM
> Subject: Re: Wireless router
>
>
>> as far as RFI issues.
>> well, here's my personal situation.
>> I have a 2wire wireless router/modem as supplied by my internet provider.
>> range is excellent, and wireless speed is exactly the same as when
>> connected
>> directly to the LAN.
>> however, after some investigation recently, I found that all my really 
>> bad
>> noise issues on HF and VHF/UHF, in fact, pretty much any where my radio
>> receives, was coming from the router.  I tried ferrite rings, different
>> electrical outlets and on and on, but the noise occurs even on HT's in 
>> the
>> apartment.
>> After some more trouble shooting, I actually isolated the problem to my
>> digital PVR TV box.  Disconnecting that got rid of the noise 
>> utterly...not
>> a
>> peep of noise on HF or VHF.  the noise basically sounds like carriers on
>> FM
>> and hetrodyn on HF.  So i'm not really sure if it is the router causing
>> the
>> noise when transfering data down the fairly long run of cat5 to the tv
>> box,
>> or the tv box itself.  I tried ferrite rings on the tv boxes power chord,
>> as
>> well as the network cable it uses...no luck in even quieting the radio
>> noise.
>> I've got a 20FT run of cat5 going to a computer in the radio room, and
>> when
>> I disconnect this cable from the router, the noise gets reduced a
>> little...unplugging the tv box gets rid of it completely.  My thoughts 
>> are
>> that the tv box is to blame here and is putting some crazy amount of data
>> noise onto the cables and thus making the smaller run of cat5 going to 
>> the
>> pc act as a radiater of sorts for the noise.  Any other cables attached 
>> to
>> the LAN seem to do the same thing, act as radiators.
>>
>> Really not sure what to do here.
>> The noise can get up to 40 over S9 on VHF, so bad in fact that I can't
>> monitor simplex frequencies or repeaters that don't have PL tones.  On 
>> HF,
>> the hetrodyn is S8 to S9.  it's in different places across the bands, so 
>> I
>> can still receive signals, as long as they aren't on frequencies where 
>> the
>> noise occurs.
>> this is digital TV, meaning that it is supplied over the internet and
>> distributed in the house to digital boxes on the LAN from the router.
>> So, I guess if you have tv boxes that you'll be connecting to the router,
>> you'll have to watch out for this.
>> when the tv box is disconnected, the wireless doesn't seem to make any
>> noise
>> at all on HF, VHF or UHF.
>> i've tried moving antennas and rerouting feedlines, no luck there either.
>> 73
>> Colin, V A6BKX
>> ----- Original Message -----