RF Monolithics Announces Initial Production Order from Fortune 500 Company for Industrial Wireless Sensor Network.

Solution Crucial for Optimizing Operations in the Industrial Marketplace

DALLAS -- RF Monolithics, Inc. [NASDAQ: RFMI] (RFM) today announced that its subsidiary Cirronet, Inc. received an initial production order as part of a wireless sensor network contract with an industrial original equipment manufacturer (OEM). The production order combined with its associated development contract represents approximately $500K cumulatively from this OEM customer, a Fortune 500 company. The order consisting of wireless sensor nodes, routers, and base stations will permit deployment of several thousand sensor nodes in an industrial application. The overall market opportunity for this industrial application include a million or more of existing potential sensor points.

David M. Kirk, President and Chief Executive Officer of RFM commented, "RFM's announcement today is tangible confirmation that the company is effectively executing a key growth strategy through its Wireless Solutions Group, and at the same time delivering crucial solutions for optimizing operations in the industrial marketplace." RFM's wireless sensor network solutions in the industrial segment help industrial operations managers not only keep tabs on assets and vital infrastructure, but also track the operational status of equipment in real-time to address potential production problems, and minimize down-time.

Mr. Kirk further commented, "In addition to this production order, we are excited about other opportunities our Wireless Solutions Group is seeing for our combined hardware/software solutions. Large industrial projects like this and other opportunities provide confidence in our primary marketing focus." RFM provides off-the-shelf wireless solutions at the chip, device, and module level, as well as custom-solutions for OEM proprietary applications. These custom-solutions enable RFM's OEM customers to improve their competitiveness by integrating wireless sensor networking into their products, and to increase their speed-to-market when utilizing RFM's Wireless Solutions Group expertise for rapid wireless sensor networking design and implementation in their products.

"We believe this puts us firmly among the leaders in the wireless solutions marketplace and validates our comprehensive wireless solution strategy," Kirk said.

About RFM

Celebrating over 27 years of providing low-power wireless solutions, RFM, headquartered in Dallas, Texas, is enabling the next generation of wireless applications with a solutions-driven, technology-enabled approach to wireless connectivity. RFM provides the connections to extend the edge of the Internet to communicate with the billions of unconnected machines through a broad range of low-power wireless solutions - from comprehensive industrial wireless sensor networks to high-performance RF components. RFM was named to M2M Magazine's "2007 M2M 100," a list of the most important and influential machine-to-machine technology providers. For more information on RF Monolithics, Inc., please visit the Company's websites at http://www.rfm.com and http://www.wirelessis.com

Forward-Looking Statements:

This news release contains forward-looking statements, made pursuant to the Safe Harbor Provision of the Private Securities Litigation Reform Act of 1995, that involve risks and uncertainties. Statements of the plans, objectives, expectations and intentions of RFM and/or its wholly-owned subsidiaries (collectively, the "Company" or "we") involve risks and uncertainties. Statements containing terms such as "believe", "expect", "plan", "anticipate", "may" or similar terms are considered to contain uncertainty and are forward-looking statements. Such statements are based on information available to management as of the time of such statements and relate to, among other things, expectations of the business environment in which we operate, projections of future performance, perceived opportunities in the market and statements regarding our mission and vision, future financial and operating results, and benefits of our acquisitions. Such statements are not guarantees of future performance and involve certain risks, uncertainties and assumptions, including risks related to the ability to integrate acquisitions as planned, the highly competitive market in which we operate, rapid changes in technologies that may displace products and services sold by us, declining prices of products, our reliance on distributors, delays in product development efforts, uncertainty in consumer acceptance of our products, and changes in our level of revenue or profitability, as well as the other risks detailed from time to time in our SEC reports, including the report on Form 10-K for the year ended August 31, 2006. We do not assume any obligation to update any information contained in this release.