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Glossary of Terms

Glossary of Terms

RATH® DAS System Glossary of Terms


DAS (distributed antenna system):
  • A series of antenna used to expand radio coverage within a building or space


ERRCS (Emergency Responder Radio Communication System):
  • Term used for public safety or first responder DAS


BDA (bi-directional amplifier):
  • Signal booster that takes an outside signal from a donor antenna and amplifies within a building through a series of antennas


Interior Antenna:
  • Distributed throughout a building to provide coverage in critical areas


Donor Antenna:
  • Antenna located on roof of a building, relays the exterior signal to the BDA


Class A:
  • Signal booster or BDA that amplifies a set frequency


Class B:
  • Signal booster or BDA that amplifies a range of frequencies


Downlink:
  • Direction of communication from BDA to user’s handset/device


Uplink:
  • Direction of communication from user’s handset/device to BDA

Glossary of Terms
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