The first radio was invented in 1896 by Guglielmo Marconi ... The APCO Ten Signals For Police Use Charles "Charlie" Hopper, ...

A 37-year-old Colombian man is the first to be arrested in Japan on suspicion of violating the Radio Law by using a special device in the theft of a keyless car. Saitama prefectural police ...

Minneapolis will cease public broadcasts of its police radio communications starting in May and shift to online dashboards for the public to track emergency incident responses. In a news release ...

[Harrison Sand] just finished a guide on how to use SDR to listen in on Police and Fire radio bands. The project, which results in the crystal clear audio reception heard after the break ...