Cellular DaS SOLUTIONS
Small Cell passive das solutions can solve cellular coverage issues quickly and cost effectively
Cellular Das solutions
Building owners, property managers, and enterprise customers have a number of options when there’s a cellular coverage problem. Traditionally so-called Active Distributed Antenna Systems (DAS) were the only alternative for many customers. These systems are expensive and take months to deploy, although for customers with capacity issues (think football stadium) it is the preferred solution.
For most customers, a Passive DAS fed by either an over-the-air donor antenna or a “Small Cell” from each carrier is a much more cost-effective and simple solution to deploy.
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Education Center
Beyond the Code: Understanding the new ERCES (ERRCS) Standard C-1 in San Diego
As California continues to implement higher life-safety standards, the City of San Diego’s newly adopted (July 1, 2025) ERCES (Emergency Responder Communication Enhancement System) standard—officially named ERRCS Standard C1—represents a new milestone in ensuring...
IBWS ERCES APCO Presentation
NFPA 72’s 2025 Edition and ERCES
Effective January 1, 2026, the 2025 Edition of NFPA 72 (National Fire Alarm and Signaling Code) will take effect in California. Per NFPA’s website, the 2025 edition features several revisions and additions to the standard, including the following (verbatim): Expanded...
Beyond the Building: Wildfire Zones in California and ERCES Survivability
When most people think about Emergency Responder Communication Enhancement Systems (ERCES), they focus on signal strength and AHJ compliance. However, in California’s wildfire-prone regions—especially around Los Angeles—survivability isn’t just a regulatory checkbox;...
Who are the Stakeholders in an ERCES?
Who does what in an Emergency Responder Communication Enhancement System (ERCES)? The answer: Several organizations are typically involved in designing, installing, and maintaining an ERCES. Each has a distinct role. This matrix, courtesy of the Puget Sound Emergency...
Some ERRCS Basics & State Compliance
Previous blogs have highlighted the difference between ERRCS and ERCES. We’ll use the term “ERRCS,” the preferred acronym in San Francisco. We thought it would be helpful to revisit some basics, as many building owners remain uninformed about the requirement (our...
ERCES and NFPA 1225 and NFPA 72
Last month’s blog focused on NFPA 1225’s pivot from ERRCS (RC = radio communication) to ERCES (CE = Communication Enhancement) with the inclusion of cellular based systems like LTE and 5G. There are other changes in NFPA 1225 that we didn’t highlight and a number of...
NFPA 1225, ERRCS, ERCES and Cellular Frequencies
The National Fire Protection Association (NFPA) 1225 code outlines the latest requirements for what is now refers to as ERCES (Emergency Responder Communication Enhancement Systems). I’d previously argued that ERCES is substantially equivalent to ERRCS, but I was...
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