... supplied external AM antenna can greatly improve the AM / L-band receiver sensitivity.A very useful multi-functional digital control knob can ... 450 Frequency Modulation (FM) 100 The long-wave (MW) 100 Shortwave (SW) 250Power supply: Battery: 3 R6 (V) batteries or ... business reached over 100 countries and regions all over the world like United States, United Kingdom, Germany, France, Japan, Spain, ...