... , MW, LW, short wave, single-sideband (SSB) and AIR PLL SYNTHESIZED. Short-wave single-sideband (SSB) is divided into Upper sideband (USB ... 5mV / mShortwave (SW) (S / N = 26dB) better than 20uVSingle sideband (SSB) (S / N = 10dB) better than 1uVAir Band (AIR) (S / N ... : Retail-Wholesale Tecsun pl-660 FM Stereo LW MV SW-SSB AIR PLL SYNTHESIZED PL660 Radio