telecommunications products; namely, telephones, telephone modems, cellular telephones and equipment therefor, telecommunications sensors, environmental controls, hand-held data entry terminals, tracking and control devices for monitoring telecommunications apparatus, from on-site or remote location, portable hand held computers, lap-top computers, mobile and portable office telephones and hand sets, wireless telephone work group communications apparatus for use within offices, home electronic control apparatus, telephone head sets, home and office intercoms, wireless telephone communications apparatus for communication within manufacturing facilities, wireless telephone communications apparatus for communication at outdoor field sites such as construction sites, survey sites and military sites, home entertainment audio controls, facsimile machines, digitized audio systems, network interfaces for local area computer networks and printer networks, digitized connection interface for use with CATV carrier systems, telephone equipment configured with medical instrumentation, telecommunications transmitters, receivers, antennas, multiplexers and repeaters