Webnov 6, 2018 · try fixing these problems with the following suggestions: Replace cables and adapters one at a time, if you have spares that you know work. Webmar 26, 2016 · these problems generally are caused by a bad or missing cable, connector, or switching device (a switch or relay) that needs to be replaced. 6 to 12 months. It is a great radio. However, if you plan to use tone squelch to cut out other noises and/or users on frequency, you may want another radio. 440 mhz (70cm)…