Computer-controlled apparatus for testing and measuring radio frequency signals; Frequency synthesizers; Power supplies; Phase shifters for communications apparatus; Signal splitters for electronic apparatus; Distribution amplifiers for audio and video signals; Frequency converters; Electronic devices for locating and tracking radio frequency sources using wireless communication protocols; Oscillators; Electronic oscillators; Electronic components in the nature of delay units for radio frequency signals; Electronic components in the nature of radio frequency power dividers

'amplifi':27 'apparatus':4,20,25 'audio':29 'communic':19,46 'compon':52,64 'comput':2 'computer-control':1 'control':3 'convert':34 'delay':57 'devic':36 'distribut':26 'divid':72 'electron':24,35,49,51,63 'frequenc':10,12,33,42,61,70 'locat':38 'measur':8 'natur':55,67 'oscil':48,50 'phase':16 'power':14,71 'protocol':47 'radio':9,41,60,69 'shifter':17 'signal':11,21,32,62 'sourc':43 'splitter':22 'suppli':15 'synthes':13 'test':6 'track':40 'unit':58 'use':44 'video':31 'wireless':45

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