[gibs0ns]

How long until we start seeing HN headlines like; How I turned my home into a faraday cage to stop all those pesky IoT devices phoning home.

[pluijzer]

This already exists. For a project I worked with a 'house of the future' style project. Which was build in a way that it was a faraday cage that had an option of letting selected frequencies through.

[squarefoot]

IT would be very hard to screen against 5G connected household appliances without rendering cellphones using the same frequencies also useless.