R-909Main Specifications 1.Frequency Range: Frequency Modulation (FM) 87-108 MHz (MHz) medium wave (MW) 525-1610 kilohertz (KHz) shortwave SW1-7 49-13m & nbsp; SW1<49m> 5.80-6.40MHz & nbsp; SW2<41m> 6.90-7.50MHz & nbsp; SW3<31m> 9.40-10.00MHz & nbsp; SW4<25m> 11.65-12.15MHz & nbsp; SW5<19m> 15.00-15.65MHz & nbsp; SW6<16m> 17.52-18.12MHz & nbsp; SW7<13m> 21.15-21.95MHz) 2.Sensitivity: frequency modulation (FM) is better than 5 microvolts (μv) medium wave (MW) is better than 1 millivolt/meter (mv/m) short wave better than 50 microvolts (μv) 3.Output power: more than 150 milliwatts (mw) 4.Power supply: DC 3V (two AA batteries) 5.External earphone: 8-32 ohm, dual-channel earphone |