Loads of buildings don't allow (or practically don't allow) cell signals :: nothing stops them from being built.
It's active interference the FCC takes a dim view to - passive interference (thick walls, loads of metal, etc) is fine.
There's a theater near me that I can get 4-5 bars of LTE outside, 1-2 bars near the doors, 3G just 20 feet inside, and only 1x or a bar of 3G in each screen room.
Don't see the FCC dropping the hammer on them because it's the way the building is constructed, not active interference
It's active interference the FCC takes a dim view to - passive interference (thick walls, loads of metal, etc) is fine.
There's a theater near me that I can get 4-5 bars of LTE outside, 1-2 bars near the doors, 3G just 20 feet inside, and only 1x or a bar of 3G in each screen room.
Don't see the FCC dropping the hammer on them because it's the way the building is constructed, not active interference