Wear a metal helmet when you are outdoorsA colander or an old WW2 army helmet with the secret radio receiver ripped out will work fineFor your home, lining the walls, floor, windows and doors with aluminum foil or sheets and grounding it will make a Faraday cageThis should block most of the weaker transmittersBut if the government notices a big chunky blob that is shielded, they will turn on the big units and concentrate beams at youThen you will have to go mobileNever use anything but public telephones and library computers for Internet.