[RFI] RFI and Smart meters

Michael Germino ad6aa at sbcglobal.net
Sun Jan 9 18:25:19 PST 2011

--- On Fri, 1/7/11, Charles Coldwell <coldwell at gmail.com> wrote:

> Does anybody know what frequencies
> smart meters transmit on?  Are they
> yet another Part 15 device in the microwave ISM bands?

In California, for PG&E, I believe the Gas Meter is 450-470 MHz and the electric is 902-928 MHz.

I called and asked many questions.  I asked if there had been any interference problems with hams.  The gentleman on the phone said yes and it usually was a grounding problem and was always the Hams fault.  I didn't bother to correct him and I didn't tell him to not install the meters, but I think I am the only house in the neighborhood without a Smart Meter.


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