Uniden 520 pro XL mobile CB radio. Volume, Squelch, Gain settings. I bought this new a few years ago and it has sat unused for most of that time, only been installed and used for a fraction of that time. These are really good radios with a quality properly tuned antenna have som distance. Excellent working condition. these go for avg $70 new, how abot $40 + shipping. Located in northern Oregon. PM or leave a post here