Article
Signal Boosters Are Not Plug And Play
July 8, 2011
This article is part of a series of guest columns by Alfred T. Yerger II, RF Engineering Specialist, Bird Technologies Group.
Signal boosters, also called bi-directional amplifiers, or BDAs, are becoming very popular as public safety agencies, among others, move to provide seamless in-building communications. Many places now have ordinances requiring building owners to provide facilities for in-building communications. The signal booster and distributed antenna system (DAS) are a very popular way to meet these requirements.
Signal boosters are available from several manufacturers and in different configurations. Wide-band boosters pass all of the signals within a given bandwidth through the use of window filters and high-gain amplifiers. Channelized boosters utilize DSP technology to pass only the channels of interest. Both technologies have their advantages, depending upon the application and environment.
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