In Building Wireless (IBW) involves the distribution of wireless signals inside buildings to provide data and voice connectivity. IBW can provide a direct wireless signal from cellphone carriers into the building using small cells or a Distributed Antenna System (DAS). A DAS is a network of antennas that sends and receives cellular signals on a carrier’s licensed frequencies, thereby improving voice and data connectivity for end users. Lack of capacity and coverage are the two main performance issues that an IBW deployment can resolve. Understanding what they mean is essential to comparing and choosing the right IBW technology.
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