Irving, TX – March 31, 2010 – EF Johnson Technologies, Inc. (NASDAQ: EFJI) announced today that it has received an order from a US Department of Defense (DoD) customer. Pursuant to the order, valued at $1.8 million, the Company shipped its ES Series Project 25 compliant portable and mobile radios and accessories to the customer during the first quarter.

“The DoD has deployed a multitude of ES Series radios over the years, and this order further demonstrates the effectiveness of these portable and mobile radios in military applications,” said Michael Jalbert, president and chief executive officer of EF Johnson Technologies, Inc. “Military users need interoperable, reliable, rugged, standards-based communications solutions. Our ES Series of radios meet the military specifications for extreme temperatures, vibration, and shock. They have passed interoperability tests at government facilities, in independent test labs, in the labs of our competitors, and in everyday field use.”

“Also, the Enhanced (AMBE+2) P25 Vocoder provides loud, clear digital audio that filters out background noise. This filter is crucial for effective communications among personnel in sensitive situations. We are pleased to provide a solution for our military through our ES Series portable and mobile radios,” Jalbert added.