#boosters__booster_amplifier__boosteramplifier__booster_stations__relay_links__relaylink__relay_stations__relay_transmitters  an amplifier for restoring the strength of a transmitted signal
  supertype:  #amplifier  electronic equipment that increases strength of signals passing through it
  part of:  #communication_equipment__communicationequipment__communication_system__communicationsystem  facility consisting of the physical plants and equipment for disseminating information
     part of:  #infrastructure__base  the stock of basic facilities and capital equipment needed for the functioning of a country or area; "the industrial base of Japan"

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