{"id":945,"date":"2024-05-23T15:11:31","date_gmt":"2024-05-23T19:11:31","guid":{"rendered":"https:\/\/saferbuildings.net\/home\/demystifying-cbrs\/"},"modified":"2026-08-30T01:03:09","modified_gmt":"2026-08-30T05:03:09","slug":"demystifying-cbrs","status":"publish","type":"post","link":"https:\/\/saferbuildings.net\/home\/demystifying-cbrs\/","title":{"rendered":"Demystifying CBRS"},"content":{"rendered":"

A Comprehensive Guide to Citizens Broadband Radio Service<\/span><\/p>\n

In our rapidly evolving data-centric world, data access has become as essential as traditional utilities like power and water, often referred to as the “fourth utility.” As organizations increasingly rely on fast, secure data access, the U.S. Federal Communications Commission (FCC) has authorized the use of Band 48, known as the Citizens Broadband Radio Service (CBRS), to meet these growing needs.<\/p>\n

What is CBRS?<\/span><\/p>\n

CBRS is a 150 MHz spectrum in the 3.5 GHz band, specifically from 3550 to 3700 MHz. Previously underutilized, primarily by federal government radar and a few satellite receivers, this band is now open for broader use due to the increasing demand for more spectrum to accommodate new mobile users. The FCC has re-purposed CBRS for shared wireless access, using a novel three-tiered spectrum-sharing framework:<\/p>\n

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  1. Incumbent Access:<\/span> This top tier is reserved for current users like the Department of Defense and U.S. Naval Radar operations, ensuring they receive permanent, interference-free access.<\/li>\n
  2. Priority Access:<\/span> The middle tier, available through auctioned Priority Access Licenses (PALs), offers limited renewal rights for organizations needing guaranteed spectrum.<\/li>\n
  3. General Authorized Access (GAA):<\/span> The lowest tier is open for general use, allowing access to the remaining spectrum not occupied by higher-tier users.<\/li>\n<\/ol>\n

    Managed by a Spectrum Access System (SAS), this framework ensures that higher-tier users are protected from interference, while maximizing efficient spectrum use across all tiers.<\/p>\n

    Benefits of CBRS for Various Organizations<\/span><\/p>\n

    CBRS enables private LTE networks, enhancing coverage and capacity across various sectors. Here\u2019s how different tiers benefit from CBRS:<\/p>\n