Walkie talkies are still a valuable tool for outdoor communication, especially if you don’t have cell phone service. But there are some things that walkie talkies can do that we don’t always know about. One of those things is changing the frequency on your walkie talkie so that it doesn’t interfere with other people’s conversations. But how do you change the frequency on a Motorola walkie-talkie? It’s not as complicated as it sounds. Turn off…