Police radio 10-codes are numeric communication signals used by law enforcement and government agencies to help reduce confusion during two-way voice radio communication, according to Private citizens ... More » Government & Politics Law Enforcement

Most people have heard the popular police 10-4 code, which means the responder got the message and understands it, according to RadioLabs. One of the more known codes is 10-20, which asks for a location. When an officer ... More »

Frequency code databases generally come with software that automatically installs the desired frequency codes into the police scanner. Users can either purchase the software and follow the instructions to load the freque... More » Technology Audio Equipment
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In general, police frequencies are allocated in the bandwidth of 153.785 to 155.980 MHz. Other common frequencies include 42.020 to 42.940 MHz, 44.620 to 46.580 MHz, and 460.0125 to 460.6375 MHz notes RadioShack. Local p... More » Government & Politics Law Enforcement