Tom's Tech Talk #17: How to Troubleshoot Mobile Radios
WARNING: This article assumes you have an intermediate understanding of RF and two way radios.
Every so often you may experience a problem with your mobile radio, regardless of its manufacturer. I've heard one of our technicians once say “a radio is a radio; it transmits and it receives. I don’t care if it is Motorola, Johnson, Kenwood or Vertex.” It doesn't matter what type of radio you have because they all need the same basic components to work properly. Because of this, we can point out a few problems that typically occur among all mobile radios.
In order to address a mobile radio problem you first need to know which part of the radio isn't working properly. Before we get to troubleshooting, let me define the pieces that make up a mobile two way radio:

