Telecommunications and data networking hardware devices for transporting and aggregating voice [, ] * and * data [, and video ] communications across multiple network infrastructures and communications protocols [ ; Computer software for use in communicating with and locating/tracking personnel and for diagnostic monitoring, maintenance and control of the wireless communication systems all for subterranean use ]

'across':17 'aggreg':10 'communic':16,22,29,44 'comput':24 'control':40 'data':3,13 'devic':6 'diagnost':36 'hardwar':5 'infrastructur':20 'locating/tracking':32 'mainten':38 'monitor':37 'multipl':18 'network':4,19 'personnel':33 'protocol':23 'softwar':25 'subterranean':48 'system':45 'telecommun':1 'transport':8 'use':27,49 'video':15 'voic':11 'wireless':43

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