AM/FM/Shortwave Radio. With its rugged body and military-style controls, the S350 Deluxe is ready for any challenge you throw its way. The large, full-range speaker gives you crisp, clear sound, wherever you are. The external antenna output allows for excellent AM, FM, and shortwave reception, and the separate bass and treble knobs put you in control. Whether you’re out in the field, or just out in the backyard, you’ll enjoy listening to the best that radio has to offer.