Computer hardware; electrical measuring and testing instruments for evaluating, measuring, recording, capturing, storing, generating, and analyzing radio frequency (RF) signals, digital signals, RF signal power, RF signal voltage, RF signal current, and RF signal phase angle, RF signal strength, RF signal power waves, RF signal direction, RF signal frequency, RF signal harmonics, and RF signal bandwidth; electrical switches; calibration instruments for digital and RF equipment and components, for evaluating, measuring, recording, capturing, storing, generating, and analyzing radio frequency (RF) signals, digital signals, RF signal power, RF signal voltage, RF signal current, and RF signal phase angle, RF signal strength, RF signal power waves, RF signal direction, RF signal frequency, RF signal harmonics, and RF signal bandwidth; radio apparatuses, namely, equipment and components for evaluating, measuring, recording, capturing, storing, generating, and analyzing radio frequency (RF) signals, digital signals, RF signal power, RF signal voltage, RF signal current, and RF signal phase angle, RF signal strength, RF signal power waves, RF signal direction, RF signal frequency, RF signal harmonics, and RF signal bandwidth; radio frequency power measuring devices; digital signal measuring devices; radio frequency display units; radio frequency power sensors; radio frequency analysis products namely, radio frequency data recorders and radio frequency signal generators; radio frequency diagnostic system comprising sensors and electronic modules for measuring radio frequency signal power and strength; apparatus for recording of sound; apparatus for recording of images; apparatus for transmission of sound; apparatus for transmission of images; apparatus for the transmission of data; apparatus for the reproduction of images; apparatus for the reproduction of sound; data processing equipment