Blog | Industry News | In-Building Wireless
How Cellular DAS Boosts Property Value and Tenant Satisfaction
In today’s connected world, reliable cellular coverage inside a building is no longer a luxury—it’s an expectation. Tenants (or residents), guests, and staff all rely on strong mobile service for communication, safety, and productivity. Yet many commercial and...
From Garage to Penthouse: How We Map Radio Dead Zones in Your Building
When a firefighter, police officer, or EMT's radio goes silent inside your building, seconds can mean the difference between life and death. That’s why every ERCES (Emergency Responder Communication Enhancement System) project begins with a simple yet crucial...
IBWS – Our Approach
This blog has primarily focused on the issues and details of ERCES in California. This is an admittedly technical subject that those in the industry who read this probably don’t have friends and family eager to discuss with them. So, in the interests of taking a break...
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...
Cellular DAS versus WiFi for Voice Calls
Many building owners have been told/convinced that an installed WiFi network is sufficient to handle voice traffic when there is a problem with cellular service in the building. Given the cost of a cellular Distributed Antenna System (DAS), it’s natural for them to...








