A radio communication system is capable of realizing a space diversity with single channel of an antenna and a receiver in a mobile communication equipment or by assigning one spread code. The game ticket includes a first and second indicia concealed by a removable opaque covering and indicating visually whether the game ticket is a winning ticket. A software program that compares the revision numbers of the current processors with processor compatibility information is then executed to determine the revision numbers of processors that are compatible with all current processors.