The enterprise produces medical equipment, electronics for automobiles, safety systems and radio communications.

这家企业制造医疗器械以及汽车、安全系统和无线通信方面的电子设备。

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JEI has been providing Communications Recording Systems, Voice Logging Recorders, and custom Audio equipment for public safety and military intelligence applications since 1967.

JEI自1967年以来一直致力于为公众安全和军事情报提供通讯录音系统，语音记录器以及定制音频设备。

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The Public Safety community will be better served with less expensive communications equipment since it will be based on a worldwide technology (LTE).

FORBES: Public Safety Broadband Could Pump $10 Billion Into Wireless Firms

Nine safety board teams will examine aspects such as train operations and communications, signals, tracks, crash-worthiness of equipment, maintenance and survivability -- ease of fleeing the trains after the crash and other survivability factors, Hersman said.

CNN: Investigator: D.C. Metro crash 'a scene of real devastation'