[mplsfalls1973]

I am not one to post like this typically but this is something I am interested in,

A theater could easily construct a inexpensive faraday cage during construction and remodels of theaters which would make it impossible to acquire a cellular signal. To do so would not be in violation of the Communications Act of 1934 otherwise known as Chapter 5 of 47.U.S.C. § 151 as it is only illegal to produce an wireless signal which interferes with another licensed service. Hospitals could do the same but they would not because of paging services.

You would have a signal at 50,000 feet as FM radio is line of sight and considering most cellular towers produce between 10 and 100 Watts PEP. The reason the FCC asks that mobile phones not to be used was because originally when mobile phones used 3 Watts of power they would cause problems with multiple towers considering the line of sight advantage, when digital communication became the norm the concern was one of channel reuse. The FAA was initially concerned about instrumentation issues which have been disproved using existing handsets. Several airlines are investigating the use of picocells pending FCC and FAA approval.

Regarding cellular usage, the Federal Government is allowed to block radio traffic via the National Security Act of 1947. I have been in numerous federal facilities where mobile phones were not allowed.

As for the case, who knows? All I can say is I appreciate the freedoms afforded to me by the Constitution.