PreviousNext
12

Welcome to RF Consultant – Radio Frequency Engineering Solutions

Expert Radio Frequency Engineering & Wireless Innovation

With over two decades of hands-on experience in radio frequency engineering solutions, signal generators, and wireless product development, RF Consultant is your trusted source for advanced, engineer-tested solutions. Founder Robert Yarbrough has worked with industry giants like Boeing and 3Com, and now brings that expertise to clients worldwide—whether you’re a large company, a small development team, or an individual innovator.

What We Offer

Custom Radio Frequency Engineering Solutions

From antenna systems to complete signal chains, we engineer RF designs that meet real-world needs.

Product Development & Testing

Need help refining or debugging your wireless product? We offer lab testing and consulting to ensure your design performs as intended.

USB-Powered Signal Generators

Discover our compact, software-controlled signal generators—built for performance, flexibility, and affordability. Every unit includes free lifetime software updates, free repairs (even in extreme cases) and direct access to engineering support

Wireless System Troubleshooting

Solve complex RF issues with expert diagnostics and actionable insights, whether in the field or the lab.

Our Radio Frequency Products

Why Choose Our Radio Frequency Engineering Solutions

At RF Consultant, we don’t just design tools—we build solutions shaped by real-world experience. Whether you’re developing new wireless technology, testing RF systems, or troubleshooting a tough problem, you’re working directly with a seasoned engineer who understands your challenges and speaks your language.

Our signal generators and consulting services are trusted by engineers, educators, and developers across industries. We combine hands-on knowledge with practical tools to help you move faster, test smarter, and build better.

Over 16 Years of Experience

For over 16 years, Robert Yarbrough has developed affordable wireless consumer electronics and radio frequency solutions across a wide range of technologies:

  • Zigbee IEEE 802.15.4
  • Bluetooth
  • WLAN IEEE 802.11a/b/g
  • Industrial, Scientific and Medical (ISM) bands

His products are used around the world in labs, production environments, classrooms, and in the field.

Full-Spectrum Product Development Expertise

Robert has contributed to every stage of the product lifecycle—from early concept through manufacturing. His hands-on experience includes:

  • Project Management
  • Product Development
  • Circuit Design (Schematics, Bill of Materials)
  • Industrial Design
  • Prototype Builds
  • First Article Builds
  • Beta Builds
  • FCC and Regulatory Certifications
  • Manufacturing Set Up
  • Wireless System Engineering

Whether you’re building something new or solving a complex issue, RF Consultant is here to help every step of the way.