EF Johnson Technologies, Inc. Joins ISA100

Irving, TX – February 25, 2009 – EF Johnson Technologies, Inc. (NASDAQ: EFJI) announced today that it has joined the ISA100 Wireless Systems for Automation standards committee as a voting member. The ISA100 is an organization that sets the standards for wireless industrial automation. As a voting member, the Company will participate in the development and approval of standards that will help the industrial wireless industry design secure and reliable, standards-based multi-functional wireless networks.

“Participating in driving ISA100 standards is essential to our continued success in the industrial process controls market,” said Michael Jalbert, president and chief executive officer of EF Johnson Technologies, Inc. “The industrial process controls market is rapidly growing, and analysts expect the worldwide market for wireless solutions in process manufacturing to reach $1 billion by 2012.

EFJohnson Technologies’ secure high performance broadband solutions are a natural fit for industrial applications. The extreme environmental conditions of noise, vibration, heat, dust, and moisture that our secure wireless solutions are designed to operate in provide us with a unique advantage. Our history and expertise in developing robust, secure products for military applications lends great value in providing end-to-end security for wireless sensor monitoring and control. The FIPS 140-2 Validated™ security in our solutions provides industrial organizations with the same measure of secure communications on which the military relies. Combining our rugged construction and high-performance secure wireless wide area network technology with robust sensors delivers a compelling and unmatched solution.”

Founded in 1945, ISA is a leading global nonprofit organization that is setting the standard for automation by helping over 30,000 worldwide members and other professionals solve difficult technical problems, while enhancing their leadership and personal career capabilities. Based in Research Triangle Park, North Carolina, ISA develops standards; certifies industry professionals; provides education and training; publishes books and technical articles; and hosts the largest conference and exhibition for automation professionals in the Western Hemisphere.