the following codes may be used by law enforcement officers to communicate effectively over voice radio systems. A list of basic police radio codes and their meanings. the most common police 10 codes. Ten (10) codes are used to communicate efficiently for radio transmissions. jan 30, 2016 · in order to communicate quickly, codes and signals have been developed to allow personnel to get their point across using the minimum of words. No further assistance needed. Fire alarm / restroom break. The codes were originally developed in 1937 to allow for brevity, clarity, and standardization of messages transmitted over.
