EF Johnson Technologies, Inc. Announces TDMA Option for ES Series Project 25 Compliant Radios

Project 25 compliant portable and mobile radios offer investment protection and optional TDMA migration solution

Irving, TX – August 14, 2009 – EF Johnson Technologies, Inc. (NASDAQ: EFJI) today announced a Time Division Multiple Access (TDMA) option for its ES Series of Project 25 compliant portable and mobile radios. The Company will be announcing this option at the Association of Public-Safety Communications Officials (APCO) annual conference and exposition, August 16 – 19 at the Las Vegas Convention Center.

Project 25 has defined its next phase of interoperability to incorporate TDMA technology. Phase II Project 25 allows first responders to increase system capacity while maintaining backward compatibility with their Phase I equipment. In support of this industry initiative, EF Johnson Technologies, Inc. is announcing a TDMA option for its award-winning ES Series Radios. By choosing this option, customers can upgrade to TDMA when their system can support it.

“Our ES Series Radios have remarkable versatility because of their interoperability with Project 25 trunked and conventional modes, Motorola SMARTNET®/SmartZone®, and now an option for TDMA, said Michael Jalbert, president and chief executive officer of EF Johnson Technologies, Inc. “This option will also be available for our 51SL and 53SL ES Radios making ours, the only mid-tier radios on the market that have an option for TDMA.”

About EF Johnson Technologies, Inc.

EF Johnson Technologies, Inc. is an independent subsidiary of JVCKENWOOD Corporation. Headquartered in Irving, Texas, EFJohnson focuses on innovating, developing and marketing the highest quality secure communications solutions to organizations whose mission is to protect and save lives. The Company’s customers include first responders in public safety and public service, the federal government, and industrial organizations. The Company’s products are marketed under the EFJohnson and Kenwood brands. For more information, visit www.efjohnson.com.


JVCKENWOOD is a global manufacturer specializing in Automotive and Professional System Solutions. It was reborn as one company in October 2011 through the merger of Victor Company of Japan, Limited (JVC) and Kenwood Corporation (Kenwood) three years after management integration. JVCKENWOOD operates four business segments, Car Electronics, Professional Systems, Optical & Audio, and Entertainment Software with image, sound, and radio technologies, as well as infotainment and visual software. JVCKENWOOD creates excitement and peace of mind, while aiming to achieve profitable growth and become a business group that is widely trusted by society. For more information, visit http://www.jvckenwood.co.jp/en/.

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