radio communication equipment and apparatus, namely, radio head ends and head end unit rack, amplifiers, radiating coaxial cables, namely, leaky feeder cables, non-radiating coaxial cables, radios, two-way radios, radio transmitters and receivers, radio repeaters, pagers, headphones, antennas, electrical power supplies, power supply connectors and adapters for use with portable radio equipment, power couplers, batteries; wireless radio communications equipment, namely, wireless radio headsets...