Antennas; Aerial amplifiers; Antenna filters; Antennas for wireless communications apparatus; Car aerials; Coaxial cables; Coaxial cables incorporating filters; Electronic devices, namely, radio frequency repeaters used in long range communication for tracking and monitoring energy usage; Electronic test and measurement devices for use in the fields of networks and telecommunications, namely, instrumentation used to test and certify new and existing data and voice communication cable and coax...