Police departments are beginning to use more advanced radios that employ digital technology. These radios have greater capabilities and cost less than older analog radio equipment. New cognitive radios can detect and adjust to changing communications constraints in the field, automatically switching frequencies and interfaces as needed. "Smart" antennas can steer themselves to maximize signal reception. Voice encryption can protect sensitive police radio traffic from being intercepted. In addition, over-the-air software maintenance can update software and change a radio's features remotely, without the need to adjust the equipment manually.
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Date Created: September 9, 2013