Professional RF and ERCES training for BDA installers, AHJs, fire marshals, and public safety communications engineers. Clear. Practical. Qualified.
WUFFRR — the Wireless University for First Responder Radio — exists to make complex radio frequency concepts simple, practical, and immediately applicable for the professionals who keep first responders connected.
Whether you're an ERCES/BDA installer, an Authority Having Jurisdiction (AHJ), a fire marshal reviewing system submittals, or an RF engineer expanding your public safety expertise, WUFFRR courses give you the knowledge to work with confidence.
Courses offer Professional Development Hours (PDHs), which may be recognized for continuing education requirements. However, acceptance of PDHs varies by organization. It is important to verify with your organization whether they accept these hours.
Courses are delivered through our partnership with the National Training Center. Access all courses here →
Study on your schedule with structured modules you can revisit any time.
Instructor-led remote classes with real-time Q&A and concept demonstrations.
Hands-on classroom sessions for deeper learning.
Every radio call a first responder makes depends on invisible infrastructure that most people never think about. RF 101 gives you the foundation to understand, install, and troubleshoot that infrastructure with confidence.
In eleven lessons, you'll go from "what is a radio wave" to reading link budgets, calculating path loss, understanding VSWR, and knowing exactly which test instrument to reach for and why. You'll speak the language of the engineers who design these systems — decibels, VSWR, noise figure — and you'll understand not just what the numbers mean, but why they matter.
This course includes a Study Guide of over 170 pages with additional context and a Q&A for each lesson — yours to keep and reference long after the class is done.
A certificate of completion worth 8.5 PDHs will be issued upon course completion.
Topics include:
Coming later in 2026! Here's a question that gets asked at almost every DAS inspection: 'How do you know your system actually works?' The honest answer — the professional answer — is a link budget. A link budget is how you prove, on paper, before a single walk-test, that the math works. You start at the tower — known transmit power, known antenna gain — and you account for every dB the signal gains and loses between there and the portable radio in a first responder's hand: free-space path loss, building attenuation, cable runs, splitters, BDA gain, indoor antenna performance. Every component gets its own line. Nothing is assumed. Nothing is guessed. Link budgets aren't advanced math. They're addition and subtraction in dB. But they require you to understand every component in the system well enough to put a number on it — which means that if you can build a link budget, you understand your system. And if you understand your system, you can defend it to any engineer, any inspector, or any authority having jurisdiction who asks. That's not just a useful skill. In public safety communications, it's a professional responsibility.
Come back soonComing later in 2026! RF is invisible. You cannot see it, feel it, smell it, or hear it. A transmitter can be putting full power into a disconnected cable. A BDA can be oscillating and flooding the uplink band with noise. An antenna can be completely dead. And none of those failures produce a single visible indication — no smoke, no warning light, no sound. Nothing. That's the world a BDA technician works in every day. And without a spectrum analyzer, you're working in that world blind. A spectrum analyzer makes RF visible. It shows you exactly what's on the air, at what frequency, and at what power level — in real time. It tells you whether your BDA is actually outputting what it's supposed to. It shows you whether there's interference in the uplink band before you ever key a radio. More than that — it makes you credible. When an AHJ or a system engineer asks 'how do you know the signal level at that antenna is correct,' the technician with a spectrum analyzer can pull up the measurement and show them. The technician without one can only say 'I think so.' In public safety communications, 'I think so' is not an acceptable answer. The spectrum analyzer is not an advanced tool for specialists. It is the basic instrument of the trade. If you work on BDA systems, operating one isn't optional — it's the job
Come back soonTraining content is aligned with NICET In-Building Public Safety Communications certification knowledge areas across all levels.
Contributing writer and reviwer to The Complete ERCES Handbook and the NICET IB-PSC Study Guide.
Decades of applied RF engineering spanning Nortel, Verizon Wireless, PCTEL, SOLiD, Fiplex, and Westell.
Tom Warfield is NICET IB-PSC certified at Levels 1, 2, 3, and Designer. He has held RF Engineer positions in the commercial cellular industry with Nortel and Verizon Wireless, and at PCTEL gained extensive field experience in iDAS and oDAS through commissioning, CW testing, and drive testing. At Fiplex and Westell, Tom gained Fire Code knowledge that, in conjunction with RF expertise, enables him to speak to all aspects of ERCES.
Tom combines deep technical knowledge with a passion for teaching — delivering certification classes both in-person and online for SOLiD, Fiplex, and Westell. He has also developed electronics curriculum for Associate of Science degree programs.
He is a contributing writer to the Safer Buildings Coalition's Complete ERCES Handbook with NICET In-Building Public Safety Communications (IB-PSC) Study Guide.
Have questions about a course, want to discuss group training for your organization, or need help choosing the right program? Reach out — we're happy to help.
WUFFRR training is built for the professionals who keep first responders connected. If that's you, let's talk.
Join RF and public safety professionals who are building expertise that protects lives.