[ScreamingFist]

The only way you can ensure that jammers don't leak signal outside the premises of a theater is to enclose them in a faraday cage - thereby making them unneeded.

Not correct FRiend, see post #103

[Shalom Israel]

Not correct FRiend, see post #103...

Not to mention #296. You can use very low-power jammers around the edges of the building to keep the bubble small enough. Symbol's so-called "wireless switch" uses the same principle to provide a wireless LAN that doesn't leak outside the office building.