Back in the USENET days it was pretty common knowledge if you took a Bearcat 200XLT and removed a resistor you could tune into the analog cellular frequencies.

Back in the USENET days it was pretty common knowledge if you took a Bearcat 200XLT and removed a resistor you could tune into the analog cellular frequencies. http://textfiles.com/hamradio/MODIFICATIONS/bc200xlt.txt http://textfiles.com/hamradio/MODIFICATIONS/bc200xlt.txt It worked pretty well although it was half duplex so you only heard one side of the conversation. Sometimes the speaker bled into the mic and you could hear a little more.