Cell phones today cannot be listened too. At least one you bought in the last 2 years since they don't sell analog insecure phones anymore. So at least the digital ones CANNOT be listened too. If someone says they can, they are full of **** and NSA and the FBI would like to talk to you because they can't untile it is decoded right before entering the PSTN, so even land lines connecting the towers are encrypted. Someone can duplicate your ESN in some circumstances but they also need your SIM card so what if they do, it's right on your phone sticker anyway.

Coordless phones you can listen too. With analog cell systems that was not the case, in fact those phones used the same technology that coordless wall-mart phones use. And any old radio shack POS scanner could pick them up. People do not buy the encrypted phones because they cost too much. I doubt you can pick up coordless phones on a tv unless they are really old. VHF and UHF tv recievers don't tune that high. ESPECIALLY 2.4 ghz. Impossible. Not to mention the modulation techniques are different. But back in the day they were VHF. But today no way a tv cannot tune that high.

Cell phones today are little computers with fast processors and a lot of power. If you want security buy Nextel their encryption cannot be broken, the system is scrubbed every 24 hours and there is only a small area where it can be intercepted. About 2 feet of digital PSK before it's put on the SS7 telephone network.

When I am bored I jam the local drive through at Wendys and talk over their coordless headsets. They are just walki talkies like FMRS. It's like saying you beak into FMRS when you all share the same limited set of frequencies. At least to beak into something you would have to force their radios to unsquelch if they are coded to listen to certain tone combinations.

My opinions...

Kevin Mitnick was caught by cell phone triangulation wasn't he
Don't think so.