experts in Wireless & Public Safety Solutions


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Are you required to install an ERRCS in your building? Do you need a cost-effective in-building cellular system? IBWS principals have 25+ years experience in the business to ensure we provide the solution to meet your needs!


Office: (415) 738-6895


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Sebastopol, CA 95472

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Education Center

Is it an ERRCS? Or an ERCES?

“What's in a name? That which we call a rose by any other name would smell just as sweet.” William Shakespeare penned this line in Romeo and Juliet to suggest that the naming of things is irrelevant. Perhaps Mr. Shakespeare would have thought differently if he wanted...

IBWS – Cellular & Radio Experts

The never-ending quest of companies to expand their service offerings in search of more revenue certainly exists in the Cellular DAS (Distributed Antenna System) and ERRCS (Emergency Responder Radio Communication System) world. Many of these companies are electrical...


There’s lots of buzz around Bing’s coming AI search engine, ChatGPT created by OpenAI. The New York Times recently published a story by its technology columnist Kevin Roose, which detailed a 2 hour conversation with Bing’s AI ChatGPT. It’s a fascinating story and he...

ERRCS Regulations & Turkey

Two years ago my wife and I vacationed in Turkey and found the history, people, and sites a fascinating experience. To this day, I’ll tell people to add “Balloon Ride in Cappadocia” to their bucket list because it was the most exhilarating experience I’ve had on this...

ERRCS System Integrator Requirements

System integrators in the Emergency Responder Radio Communications System (ERRCS) business have typically been required by the Authority Having Jurisdiction (AHJ) to have two credentials to design systems: 1) a valid FCC–issued General Radio Operator License (GROL);...

ERRCS & Relevant Codes

The requirements for and installation of an Emergency Responder Radio Communication System (ERRCS) in a specific locale are governed by various codes and enforced by the Authority Having Jurisdiction (AHJ). An ERRCS, unlike a Cellular Distributed Antenna System (DAS),...

AHJs & FCC License Holders

Despite the work of numerous organizations (most notably the Safer Buildings Coalition, the process for the installation of an Emergency Responder Radio Communication System (ERRCS) varies too much by jurisdiction (in our humble opinion). We’ve...

Should Cellular Service be Mandated like ERRCS?

How is it that Americans spend 88% or so of their day indoors but the de facto standard for designing cellular networks concentrates primarily on outdoor coverage? The cottage business of installing cellular Distributed Antenna Systems (DAS) seeks to remedy deficient...