Wireless communication apparatus, namely, modems, cellular telephones, wireless local loop telephones and personal communication services, PCS handsets and manuals, and accessories therefor, radio frequency RF and intermediate frequency IF transceiver circuit assemblies, and analog and digital signal processing circuit assemblies for wireless communication apparatus; computer programs for modems, wireless local loop telephones, cellular telephones, personal communication services, PCS handsets and personal digital assistant PDA devices, processors; integrated circuits, computer hardware and software for signal processing in wireless communication apparatus, integrated circuits and computer hardware for cellular telephones, radiotelephones, and hand held computers; software for cellular telephones, radiotelephones and hand held computers; computer hardware for cellular telephones and radiotelephones; modems; and amplifiers; signal compression and decompression instruments, voice coders and decoders, namely, vocoders, and signal compression and decompression software and technical manuals sold as a unit therewith