FAQ Answers For Your Questions With over 30 years in this industry we have been asked (and answered) a lot of questions. Below you will find a list of the most common questions. FAQ Common questions for CB radios How to I know if my antenna is matched (SWR) to my radio You can check by using a SWR meter. Most radios have built in meters and you can check. For complete procedure see our resources page under the antenna’s and coax section. How can I sound louder This can be accomplished by doing modulation tuning and or a microphone upgrade (depending on your unit).