wireless communication apparatus, namely, modems, cellular telephones, wireless local loop telephones and personal communications services (PCS) handsets and instruction manuals and accessories for the foregoing devices, namely, carrying cases, belt clips, batteries, battery chargers and car kits consisting of audio speakers, microphones, and external antenna connectors; integrated wireless communication and computing apparatus, namely, modems, cellular telephones, wireless local loop telephones and personal communication handsets combined with a computer or personal digital assistant (PDA) device and instruction manuals and accessories for the foregoing devices, namely, carrying cases, belt clips, batteries, battery chargers and car kits consisting of audio speakers, microphones, and external connectors; integrated circuits for spread spectrum modulation and demodulation, error correction encoding and decoding, and vocoding; and preprogrammed memories containing processor instructions; and radio frequency (RF) and intermediate frequency (IF) transceiver circuit assemblies and analog and digital signal processing circuit assemblies for wireless communication apparatus and integrated wireless communication and computing apparatus