WJ Communications to Showcase Its Latest RFID Products at Frontline Solutions Conference and Exposition; Navy Pier — Chicago, IL, September 13-15, 2004

Business Wire, August 25, 2004

SAN JOSE, Calif. -- WJ Communications, Inc. (Nasdaq:WJCI), a leading designer and supplier of high-performance RF semiconductors and multi-chip modules for RFID readers and wireless infrastructure applications, today announced that it will showcase its latest RFID products at the upcoming 2004 Frontline Solutions Conference and Exposition. Frontline Solutions 2004 will be held at Navy Pier in Chicago, IL, during September 13-15, 2004. WJ's RFID product portfolio spans RFID Reader Engines (SX2000 and SX2030) and RFID reader chip sets for UHF and microwave reader applications worldwide. They will be on display in the company's exhibit, booth #916.

"WJ is committed to supplying UHF and microwave RFID reader engines, PCMCIA reader modules and RFID chipsets leveraging its RF semiconductor and systems capabilities," said James Mravca, senior vice president, strategic marketing and business development for WJ Communications. "The focus of WJ RFID reader products is to enable low cost, small size and high performance UHF/microwave readers. As RFID applications continue to grow at a very fast pace in areas such as supply chain management, pharmaceuticals and defense logistics; WJ is well positioned to become a premier provider of complete RF solutions for RFID readers."

RFID Reader Engine Products

The SX2000 is an EPC class 1 reader engine operating in the 900 MHz ISM band. The SX2030 operates in the worldwide 2.4 GHz band. Each model in WJ's family of compact reader/programmer engines reads and programs EPC Class 1 RFID tags. The SX2000 and SX2030 full performance, low-cost and small size enables the realization of a wide range of portable and hand-held reader/programmer solutions including integrated RFID/barcode readers.

RF Semiconductors for RFID

WJ's semiconductor products are ideally suited for the challenging world of RFID readers. The combination of high dynamic-range and rugged reliability make them ideal for demanding RFID applications. Their versatility and ease of use allow them to form the core of any ETSI, ISO or EPC compliant reader solution. WJ's semiconductor products offer low-cost, small size and robust performance in the global HF, UHF and microwave frequency bands. Small size and excellent power efficiency make them applicable for industrial, portable and handheld applications.

About Frontline Solutions Conference and Expo

The Frontline Solutions Conference and Exposition is the largest gathering of the world's leading Auto-ID, RFID, and mobility experts. This technical industry forum is the only event that provides the latest automatic identification and supply chain mobility solutions, technology focused education, and networking opportunities -- in one place, at one time. To learn more, visit www.frontlineexpo.com.

About WJ Communications

WJ Communications, Inc. is a leading RF semiconductor company focusing on the design and manufacture of high-quality devices and multi-chip modules (MCMs) for telecommunications systems worldwide. WJ's highly reliable amplifier, mixer, RF IC and MCM products are used to transmit and receive signals that enable current and next generation wireless and wireline services. For more information visit www.wj.com or call 408-577-6200.

Safe Harbor Statement under the Private Securities Litigation Reform Act of 1995:

This press release contains forward-looking statements including financial projections, statements as to the plans and objectives of management for future operations, and statements as to the Company's future economic performance, financial condition or results of operations. These forward-looking statements are not historical facts but rather are based on current expectations and our beliefs. The Company's actual results may differ materially from those projected in these forward-looking statements as a result of a number of factors including those described from time to time in the Company's filings with the Securities and Exchange Commission. Readers of this release are cautioned not to place undue reliance on these forward-looking statements. The Company undertakes no obligation to publicly update or revise the forward-looking statements contained herein to reflect changed events or circumstances after the date of this press release.