RFM ALEIER WINS CONTRACT WITH THE SECOND LARGEST COMMUTER RAIL SYSTEM IN AMERICA –
THE CHICAGO METRA

DALLAS, TEXAS, (April 17, 2008) RF Monolithics, Inc. [NASDAQ: RFMI] (“RFM”)) announces that the Chicago Metra Commuter Rail System has chosen the RFM Aleier FM1j interprise™ Enterprise Asset Management Suite as its new facilities maintenance management system. Chicago Metra will utilize the RFM Aleier solution to track, manage and maintain its buildings and facilities, including the equipment used to operate them.

“Like Chicago Metra, many RFM Aleier customers operate expansive services infrastructures that are vital to their regional economies,” said David M. Kirk, President and CEO of RFM. “With RFM Aleier, Chicago Metra will be able to cost-effectively manage their maintenance programs to improve asset performance and ensure patron safety and comfort.”

Placed across 3,700 square miles and accessed by over 100 communities across Northeastern Illinois, the 239 rail stations within the Chicago Metra system annually serve over 80 million passenger trips across the transit line. Managing the far flung facilities and asset base of such a large transit system requires a full-featured, high capacity application to process a massive database of asset information and to schedule its large workforce efficiently.

RFM Aleier FM1j interprise™ system is designed to manage the assets of large institutions. It handles the complex structures of large enterprises, with the geographically dispersed operations and multi-layered organizational structures. FM1j interprise™ allows organizations to customize the roles of its users, so that each user has access to the specific information and functions they need to perform their duties. FM1j interprise™ is an entirely web-architected application so that any user can access all capabilities of the application from any Internet-connected personal computer with a web browser.

Its selection as the Enterprise Asset Management solution provider for Chicago Metra further confirms RFM Aleier leadership among organizations providing public services. For over 14 years, RFM Aleier has provided software and services to government agencies, universities and school districts, military organizations, correctional systems, libraries and municipal utilities. RFM Aleier solutions have helped these organizations maintain the productivity and extend the life of their full range of assets, including buildings, vehicles, equipment, and roadways, thereby helping them better serve their constituents while responsibly managing their staffs and budgets.

About RFM

RFM, headquartered in Dallas, Texas, is delivering M2M around the world. Our solutions-driven, technology-enabled approach to wireless connectivity enables the next generation of wireless applications with a broad range of solutions – from comprehensive industrial wireless sensor networks to high-performance enterprise asset management software – extending the internet to communicate with billions of unconnected machines. RFM was named to M2M Magazine’s “2007 M2M 100” and “2008 M2M 100” list of the most important and influential machine-to-machine technology providers. For more information on RFM, please visit the Company’s website at www.RFM.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 and alliances as planned, successful transition to a fabless business model, operation of a services business, 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 sales 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, 2007. We do not assume any obligation to update any information contained in this release.