Radio frequency (RF) analysis products, namely, RF data recorders and RF signal generators; radio spectrum monitoring equipment; 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; 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
Electrical and Scientific Apparatus