FGR3 Series

900 MHz Industrial Radio for Reliable Data Communications

The FGR3 radio offers best-in-class range and reliability, making it a great choice for connectivity to serial devices in the most demanding applications. FGR3 radios are backward compatible with the FGR2, FGR, and DGR Series of FreeWave serial radios, enabling customers to leverage and extend their existing investment.

FGR3-IO Series

900 MHz Remote I/O Solutions

As a complement to our rugged radio portfolio, we offer I/O solutions that are easy-to-use, flexible, and cost-effective driving process automation as well as savings.

Available in both a standalone board-level and an enclosed option the FGR3-IO offers a versatile and cost-effective solution to address the evolving demands of the digital age.

Key Features

  • Versatile

    User configurable as I/O digital or analog; embedded I/O functions available as a board-level device or in an enclosure.

  • Cost-Effective, Easy to Deploy

    Operates in unlicensed 900 MHz spectrum

  • Long Range

    Up to 97 km (60 miles) with clear line of sight with the ability to extend through Endpoint/Repeater; Modbus Gateway can be any FGR Series radio

  • Error-Free Communications

    32-bit CRC with automatic retransmissions

  • Low Power

    Ideal for solar-powered applications

  • Secure

    Frequency Hopping Spread Spectrum (FHSS) technology prevents detection and unauthorized access.

  • Noise Immunity

    Superior performance in noise-congested environments

  • Industrial Grade

    Class I, Division 2 certified; operating in temperatures from -40°C to +75°C

All Models

Is the FGR3-IO right for my applications?

We’ll help you decide. See an example of these radios in use, or tell us your operational requirements so that we can recommend your best-fit solution.

Ready to get started?​

See how you can rapidly evolve your edge with FreeWave’s help.​



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Designed, manufactured and tested in the USA.

© 2024. FreeWave Technologies, Inc. All rights reserved.


5395 Pearl Parkway, Boulder, CO 80301



Designed, manufactured and tested in the USA.

© 2023 FreeWave Technologies, Inc. All rights reserved.