ATLANTA (February 12, 2008) – The leader in ZigBee™ wireless sensor networking Cirronet, Inc., a subsidiary of RF Monolithics, Inc.(RFM) [NASDAQ: RFMI], announces its exhibit at the Real-Time & Embedded Computing Conference (RTECC) in the Marriott Huntsville Hotel in Huntsville, Alabama, on February 19, 2008. The RTECC is a single-day conference and exhibition attended by individuals developing wireless applications serving multiple industries, such as: industrial control, building automation and control, data communication and telephony, military and aerospace, instrumentation, consumer electronics, image processing, process control, vehicular control and maintenance, embedded appliances and more.

The Cirronet exhibit will include a broad range of Cirronet brand wireless sensor networking products in a broad range of technologies including ZigBee, 802.15.4, proprietary FHSS and DSSS mesh protocols, Bluetooth®, and WiFi. The exhibit will also include the RFM brand of Virtual Wire™ short-range radio and RFIC devices that provide sensor data collection capabilities for a wide variety of applications. When embedded into next-generation products, Cirronet and RFM products enable end-users to connect, communicate, control and monitor wireless-enabled OEM devices over the Internet.

About Cirronet

Cirronet supplies wireless modules and box products for the industrial market to device OEM manufacturers, integrators, and end users. Its products enable customers to wirelessly monitor and control electronic devices by establishing wireless connection between machines and the internet. Its OEM modules are incorporated into custom wireless solutions ranging from portable heart monitors to overhead crane controls, and its industrial box products provide wireless connections in harsh industrial environments. Cirronet products are based on proprietary and industry standard protocols that include ZigBee, Bluetooth®, and WI-FI; and they operate in the license-free 4343 MHz, 900 MHz, and 2.4 GHz ISM bands. Please visit the Cirronet web site at www.cirronet.com for more information. Cirronet is a wholly-owned subsidiary of RF Monolithics, Inc.

About RF Monolithics, Inc.

RF Monolithics, Inc., 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” and “2008 M2M 100,” a list of the most important and influential machine-to-machine technology providers. For more information on RFM, please visit our website at www.rfm.com.

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