Sirenza Microdevices Announces Production of High-Performance Receiver IC for SIRIUS Satellite Radio's Stiletto 100.

BROOMFIELD, Colo. -- Sirenza Microdevices (NASDAQ: SMDI) today announced volume production of a new high-performance receiver IC for SIRIUS Satellite Radio's Stiletto 100 portable radio. Sirenza's S520077 functions as the RF front-end receiver for direct satellite radio reception, converting signals from RF to digital baseband.

"Sirenza's engineering group collaborated closely with SIRIUS on the radio development," stated Richard Bay-Ramyon, strategic business unit director of broadband and consumer products at Sirenza Microdevices. "The leading edge RF performance of Sirenza's receiver IC along with it low power consumption and wide dynamic range make it ideal for portable satellite radio applications."

The S520077, 2.3 GHz RF receiver features:

* Low noise amplifier with automatic gain control

* PLL synthesizer and reference oscillator 

* High dynamic range, single conversion mixer

* Multiple IF outputs with 100dB overall gain control

* Programmable power levels for optimal battery life

The receiver operates with a broad range of RF input power levels. This wide dynamic range allows the radio to provide enhanced satellite signal reception in the presence of interfering signals.

"The S520077, utilizing IBM's advanced silicon germanium semiconductor process technology, is one of the most highly integrated RF ICs developed to date by Sirenza," stated Robert Van Buskirk, president and CEO of Sirenza Microdevices. "Sirenza's design and production capabilities support an increasing customer demand for higher levels of RF component integration. This new product is a good example of Sirenza's ability to provide leading edge RF components with relatively short design cycles for a wide range of consumer applications."

Sirenza Microdevices

Sirenza Microdevices is a supplier of radio frequency (RF) components. Headquartered in Broomfield, Colorado, with operations in China, Germany and the U.S., Sirenza Microdevices and its subsidiary Premier Devices design and develop RF components for the commercial communications, consumer, and aerospace and defense (A&D) equipment markets. Sirenza's integrated circuit (IC), multi-chip module (MCM) and passive product lines include amplifiers, power amplifiers, cable TV amplifiers, circulators, isolators, mixers, splitters, transformers, couplers, modulators, demodulators, transceivers, tuners, discrete devices, signal source components, government and military specified components, and antennae and receivers for satellite radio. Certifications include ISO 9001:2000 Quality Management System and ISO 14001:2004 Environmental Management System (registered by QMI). Detailed product information may be found on Sirenza's website at www.sirenza.com and at www.premierdevices.com.

Safe Harbor Statement

This press release contains forward-looking statements regarding future events, including any statements regarding market growth, acceptance by the market of our new products, future product performance, availability, and applicability to potential customer needs. We wish to caution the reader that such statements are, in fact, predictions, and that actual events or results may differ materially. In particular, we cannot assure you that the referenced products will be appropriate for any particular end customer solution, that the products will exhibit such characteristics under all test parameters or in all customer applications, or that our release of these products will result in any significant sales. We routinely make new product announcements from time to time, and the announcement of any particular new product should not be viewed as an indicator of our future revenues or other financial results in any period. This press release makes no customer warranties, whether express or implied. The markets at which any new product is aimed may not develop or may develop more slowly than currently anticipated, and target customers in such markets may choose not to purchase such products even if the target market as a whole does develop. Other risks that may cause actual results to differ materially from those contained in our forward-looking statements are included in our filings with the Securities and Exchange Commission, particularly our Form 10-K filed in March 2006 and Form 10-Q filed in August 2006.

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