Engineer at Phase IV in 1992

Phase IV Engineering pioneered RFID sensor technology – we developed the world’s first RFID sensor integrated circuit in 1994.  

Since then, we’ve become experts in all wireless sensor technologies.

We help our clients find the most effective solution, whether it’s a practical and off-the-shelf Wireless Sensor Network (WSN) system or a cutting-edge and custom design for a  hard-to-solve sensing challenges.

Introducing the Breakthrough Leap Sensor® System!

A streamlined approach to sensors. • Designed specifically for industrial & commercial use.

Wireless sensor with industrial metal enclosure and external antenna
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Talk to an Expert

Questions about Phase IV Engineering's RFID & wireless sensor technology? Need a quote for a specialized wireless sensor solution? Talk to one of our wireless sensing experts today.
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25+ Years on the Leading Edge of Wireless Sensor Solutions

Our engineers have a combined 100+ years in wireless sensor design. We can manage your complex engineering projects.
Many Fortune 100 companies trust us to do their complex wireless sensor R&D.  From fast prototyping & proof-of-concept to a final product that meets your objectives, we can apply our knowledge to arrive at effective solutions to your sensing problems.
RFID, Passive, Active, BAP….Confused? We’re not – we’ve worked with all types of sensors & can guide you to the best solution for your application. If it’s not available off-the-shelf, we can design a custom sensor that will meet your needs.  See the Wireless Technologies Overview page for a quick tutorial on the pros and cons of each type of wireless sensor technology.  Or, contact an expert – and let them guide you to the best wireless solution.
You will be amazed how quickly we can provide innovative wireless sensor prototype “proof of concept” systems.  When the time is right, we can roll your product into the appropriate level of our manufacturing and quality system – all the way up to our FAA approved quality system.
Why not go with the seasoned experts when developing a wireless sensor system?  Phase IV (confidentially) innovates for many large corporations to provide them leading-edge wireless sensing systems.  See our Custom Sensors page for more information.
We now offer a wide variety of ready-to-deploy wireless sensors. Whether it’s a demo kit to test a solution, or a wireless sensor network that’s reliable and easy-to-use, you can now easily get started.  See the About Off-the-Shelf Wireless Sensor Networks page for more information on our practical and off-the-shelf wireless sensor system.