RF MONOLITHICS, INC. SCHEDULES SECOND QUARTER FISCAL EARNINGS RELEASE AND CONFERENCE CALL

DALLAS, TEXAS, (March 11, 2008) RF Monolithics, Inc. [NASDAQ: RFMI] (RFM), a global Wireless Solutions provider, will announce financial results for the second quarter after market close on Thursday, March 20, 2008.

Following the release, the management of RFM will conduct a telephone conference call at 5:00 p.m. (Eastern) to discuss operating performance for the period.

To participate in the conference call, please dial 866-752-1354. The reservation number is 38913310. The conference call will also be available live via the Internet by accessing RFM’s Investor Relations page at www.rfm.com. The webcast is also distributed over Thomson/CCBN’s Investor Distribution Network to both institutional (at www.streetevents.com) and individual investors (at www.companyboardroom.com).

For those who cannot access the live broadcast, a replay will be available by dialing 800-642-1687. The dial-in replay will be available through April 20, 2008. Reservation number 38913310.

About RFM
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 our websites at http://www.rfm.com, http://aleier.com, and http://cirronet.com.