Aerials; Measuring sensors; Sensors for measuring radiofrequency signals, not for medical use; Electric sensors for measuring radiofrequency signals; Measuring, detecting, monitoring and controlling devices, namely, antennas for detecting radiofrequency signals; Electric sensors, detectors, and monitoring instruments, namely, antennas for detecting radiofrequency signals; Signal antennas; Signal transmission apparatus, namely, antennas for transmitting radiofrequency signals; Receiving terminals for receiving radiofrequency signals
Electrical and Scientific Apparatus