Uhf radios operate at a higher frequency. This channel is used for relief operations for the red cross. Pin On Walkietalkiecentralcom How do walkie talkie phones work? How do police walkie talkies work . Understanding walkie talkie 10 codes If you want to listen in on ham radio operators in fm then this is the frequency you need to tune into. Walkie talkies are better for mass communication too. Test the connection initially while within range, and follow the advice above to make this connection work. To over come this limitations, the police wireless networks have a repeater station in every district. In other words, let’s say you have a group using a particular channel, then there’s another. For example, airplane pilots, the police, or movie crews may have variations on the codes. These allow users to send messages between devices regardless of whether they are online or not, so long as they are in the same vicinity. You can both talk and listen (send and receiv...