Those early handsets used analog technology for communications in a protocol called Advanced Mobile ... a bag-phone and some test equipment, and set out to build a base station that can control ...

Over the last few years, news that police, military, and intelligence organizations use portable cellular phone surveillance ... if you want to set up a few base stations at Burning Man and ...

Using a cellular carrier to provide service to regular phones in the home. A small base station is placed in the best location in the home to receive cellular signals, and an ordinary analog phone ...