Probably an FRS radio inside. Not sure what the regulations are for combining a cell phone and FRS, but you can't mix amateur radios with another service like this. You don't need a special license to operate FRS but the radio itself has to conform to certain requirements, 0.5W, fixed antenna.
"Stand your ground. Don't fire unless fired upon, but if they mean to have a war, let it begin here." -- Capt. John Parker