Antenna parameter measuring apparatus; Circuit boards provided with integrated circuits; Computer hardware; Computer peripherals and parts thereof; Data processing apparatus; Devices for wireless radio transmission; Downloadable computer software and firmware for downloading and organizing music files and authenticating user identification; Electronic navigational and positioning apparatus and instruments; 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 coaxial cable; Electronic testing equipment, namely, telecommunication line integrity testing apparatus; Integrated circuits and integrated circuit cores for use in wireless communications and wireless communication equipment and apparati and digital signal processors (DSP); Sensors for determining position, velocity, acceleration and temperature; Software-defined radio (SDR); Sonar; Surveying instruments; Ultrasonic detectors for Back-up reminder, construction site, industrial site; Vehicle locating, tracking and security system comprised of an antenna and radio transmitter to be placed in a vehicle; Wireless controllers to remotely monitor and control the function and status of other electrical, electronic, and mechanical devices or systems, namely, remote metering systems, gas and liquid cylinders, vehicle tracking devices, energy and utility systems, security systems, lighting systems; Recorded computer software and hardware for use in network management, sold as a unit