HRD-747 SSB Shortwave Radio FM MW SW CB AIR VHF UHF UBD WX Wide Frequence Receiver with NOAA Alert and Sleep Timer, FM Stereo Rechargeable Digital Radios with Clock and 9.7ft Wire Antenna

This is a Wide Frequency radio with digital tuning: It receives FM (frequency modulation)/MW (medium wave)/SW (short wave) (short-wave single-side with modulation mode)/SSB (Upper Sideband)/LSB (Lower sideband)/AIR (Aircraft band)/CB (City band)/VHF (very-high frequency band)/UHF (Ultra high frequency band)/UBD (user-defined band)/WX (North American National Weather Band). An external antenna with a 3.5mm input is supported. Modern DSP digital demodulation technology is applied across the full band, enhancing receiving sensitivity, selectivity, and anti-mirror interference capability. A built-in loudspeaker is included, along with a USB TYPE-C charging port. A removable BL5C lithium battery of 1000mAh provides long-lasting power for extended use. The product features a warm orange backlight, suitable for nighttime or dark environments. With ample memory capacity, the radio can store up to 1000 radio frequencies. Manual deletion of stored stations is supported. In addition to setting automatic sleep and automatic boot times, the lock and mute states can also be configured. The receiving state displays the noise limit ratio and the receiver sensitivity reference value