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RDA Microelectronics Announces the World's First Single-pole, Nine-throw Antenna Switch in a Single Die Using IBM's SOI Process

August 22, 2011

SHANGHAI, China, Aug. 22, 2011 (GLOBE NEWSWIRE) -- RDA Microelectronics (Nasdaq:RDA), a fabless semiconductor company that designs, develops and markets Radio Frequency (RF) and mixed-signal chips for cellular, broadcast and connectivity applications, today announced that it has successfully developed the world's first single-pole, nine-throw antenna switch with an integrated logic decoder, low pass filters in a single die solution (SP9T) using IBM's Silicon-On-Insulator (SOI) process. The SOI-based process offers superior performance and significant cost reduction compared to GaAS alternatives.

"SOI is an excellent process for antenna switch. Utilizing this advanced process, we are able to develop the world's first SP9T antenna switch that integrates the logic decoder, low pass filters in a single die with excellent ESD protection," said Vincent Tai,  CEO of RDA Microelectronics. "Since SOI is based on conventional high volume VLSI processes, we can now produce advanced RF switch with higher yields at a fraction of the cost of conventional GaAS integrated circuits. Moreover, this highly integrated SOI based chip simplifies assembly and packaging, providing further cost advantages."

"IBM has optimized RF SOI technology to meet the most demanding 3G and 4G performance and integration requirements," said Regina Darmoni, director of IBM's Specialty Foundry. "The sampling of RDA's RF switch product demonstrates how IBM RF SOI can deliver promising competitive advantage in this highly demanding cellular market."

"SOI offers a compelling advantage for advanced RF applications. The capabilities of IBM's RF SOI technology represent a significant enhancement in simplification and manufacturing efficiency for integrated wireless products," said Horacio Mendez, executive director of the SOI industry Consortium.  "This exceptional combination of RF switches and filters demonstrates an important cost reduction while delivering performance required by the Radio Frequency market."

The RDASW91 is a single-pole, nine-throw SP9T antenna switch packaged in a compact 2.5x2.5 millimeter, 16-pin land grid array (LGA). This low-cost switch has six GSM channel ports and three UMTS channel ports suitable for use in the fast growing multiband 3G handset.  Other than high integration, this device also provides superior linearity, harmonic performance and low insertion loss. The RDASW91 is expected to lead a new wave of SOI based switches that will be introduced in the near future.

About RDA Microelectronics

RDA Microelectronics is a fabless semiconductor company that designs, develops and markets radio-frequency and mixed-signal semiconductors. RDA's product portfolio currently includes power amplifiers, transceivers and front-end modules, FM radio receivers, set-top box tuners, analog mobile television receivers, walkie-talkie transceivers, LNB satellite down converters, and Bluetooth system-on-chips. For additional information, please see the Company's website at

Forward-Looking Statements

This announcement contains forward-looking statements. These statements are made under the "safe harbor" provisions of the U.S. Private Securities Litigation Reform Act of 1995. These forward-looking statements can be identified by terminology such as "will," "expects," "anticipates," "future," "intends," "plans," "believes," "estimates" and similar statements. Any statements in this press release that are not historical facts are forward-looking statements that involve factors, risks and uncertainties that could cause actual results to differ materially from those in the forward-looking statements. Such factors and risks include the Company's anticipated growth strategies; future results of operations and financial condition; economic conditions in China; the regulatory environment in China; the Company's ability to attract customers and leverage our brand; trends and competition in the semiconductor industry; and other factors and risks detailed in RDA's filings with the Securities and Exchange Commission. This press release also contains statements or projections that are based upon information available to the public, as well as other information from sources which the Company believes to be reliable but whose accuracy or completeness the Company cannot guarantee.  RDA undertakes no obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, unless required by applicable law.

CONTACT: Lily Dong, Chief Finance Officer

         RDA Microelectronics, Inc.


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