On 12/06/2018 16:29, Harry Bloomfield wrote:
charles was thinking very hard :
I don't think they use a mobile phone network. They have their own.

They use the nomal mobile phone network, when there is surplus capacity
on the network, after midnight.

You have all these people saying how easy it is to hack a smart meter
when they don't even know how they are connected. It makes you wonder
about the education in the UK.