Welcome
Critical RF provides a proven set of software-based voice communication and interoperability solutions for public safety, utilities, and other commercial enterprises. As pioneers in Radio over Internet Protocol (RoIP) technology, we developed a suite of patented hardware and software applications which allow land mobile radio and software-based push-to-talk communications across multiple signaling platforms, frequencies, and devices. These solutions work together seamlessly in order to provide instant communications anywhere in the world.

Whether it is a need to create interoperability between various first responders and state and local governments, or provide enterprise-based PTT communications for instant decision making, Critical RF has the solution. For an overview of our solutions, please select the Solutions Overview page.

To view our Product Brochure or White Paper, please proceed to the Resources page.





February 12-14 | We will be exhibiting at the Orlando Hamcation. Please stop by and visit us.
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November 19 | Verizon PTT and Sprint iDen devices are now fully interoperable.
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November 5 | Version 5 of our software platform has been released in beta. Latency times have been signficantly reduced.
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October 27-30 | We will be attending the Virginia APCO Interoperability Conference and Exposition in Roanoke, VA.  .
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July 1, 2009 |  We have added new testimonials from our customers.  For more info, please visit our "Customers" page.
News
Unified Communications
Critical RF Corporate Offices
1601 Greentree Court Suite C
Clarksville, IN 47129
Phone: 800-451-5658
Fax: 812-280-8445