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Author Topic: Leviton Vizia-RF Switches and Dimmers  (Read 3146 times)
VE7ORA
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Posts: 26




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« on: October 05, 2013, 08:51:42 PM »

Moved into a new QTH .. and the place is loaded (72) with Leviton Vizia-RF switches, and dimmers.  They are tied to a HAI OmniProII automation controller .. works great .. now comes the interesting question ..

Does anyone know what the RFI impact is of a z-wave filled houshold?  It's just a mesh-RF network (ha) operating at around 900 MHz.

Oh, .. and I have a smart meter courtesy of BC Hydro.

I am at the infrastructure stage of the new shack .. feedlines, ground system, power and antennas .. radios next.  (HF, UHF/VHF)

Any thoughts?  How bad might this be?
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WB6DGN
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Posts: 590




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« Reply #1 on: October 06, 2013, 01:53:33 AM »

I can only address one part of your question.  I have the "partially smart meter" on the gas service (450Mc) with electric to come soon.  With the gas, no issues on any band (including 440Mc).  Don't even know that its there.
Tom
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K5LXP
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« Reply #2 on: October 06, 2013, 08:24:25 AM »

Good bet any interference you'd get isn't going to be from the RF link, it'll be any SMPS's these units use.  Sounds like the ship has already sailed and this equipment is already in place.  Not much you can do until you get in there and can assess the operating environment.

As with any EMI scenario, keeping the antenna away from the noise source is the best way to minimize the problems.  A coax fed, isolated antenna away from the structure will be less susceptible than a shack located tuner fed random wire with the station as part of the ground/counterpoise.

Mark K5LXP
Albuquerque, NM
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VE7ORA
Member

Posts: 26




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« Reply #3 on: October 06, 2013, 08:11:54 PM »

Thank you both.  I sure appreciate community.  If I tried to remove the offending little emitters at the outset, I would need to construct a home for myself with the dog in the back yard!

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