On 31/03/2018 09:35, Andy Burns wrote:
Brian Gaff wrote:

Is this the old problem of RF from mobile devices again

Well, it's the problem of nutters who fear any RF, at any power level,
at any distance ...

Mobile phones modulate their output power to the lowest level
needed for communication. I believe this is why you should not
use your phone in a plane, because it tries maximum power.

Do smart meters carry out this same process ?.