As tested by the Hammacher Schlemmer Institute, this is the world band radio that provided the clearest shortwave reception and received the most shortwave stations. Its digital signal processing tuner received eight shortwave stations across the 14-meter shortwave bands, provided by 1-kHz fine tuning that also yielded the clearest shortwave reception of other test models. It includes 10 key pad direct frequency buttons for favorite stations, auto scans, and recalls stations from memory. With 36 station presets for AM/FM/SW (108 total); includes wide/narrow filter selection for AM/FM bands (auto-tuning to AM/FM), and squelch setting for the threshold of weak frequencies. With AC adapter; portable use requires four AA batteries. 4" H x 6 1/2" W x 1 1/4" D. (13 1/4 oz.)