Re: "...not aware how it would detect such technology..."
I'd love to play like that, even unpaid. Unfortunately, due to the 1986 Electronic Communication Privacy Act, hobbyists aren't allowed to receive cellular frequencies. In the mid eighties, cellular companies lobbied Congress so they wouldn't have to scramble or digitize their, at that time, narrow FM signals. We're still stuck with it, as well as the Satellite Home Viewers Act, which did the same thing for satellite companies.
Personally, I think if their RF energy is striking me, I should be able to do anything I want with it.