Because DIY is more playable, for friends who have DIY ability, you can choose a fully functional full-band radio, which is worth buying. Welcome to Full Band Radio V5A Edition. This product includes two modes of digital/analog output. The digital output is driven by a Class D power amplifier, and the analog output is driven by an analog operational amplifier. In different modes, this product supports different functions: Analog output mode: Analog output mode: supports FM, amplitude modulation (medium wave MW/short wave SW) aviation band, single sideband SSB (LSB lower sideband/USB upper sideband) Full band radio: FM: 64Mhz-108MHz; AM medium wave MW: 520KHz-1710KHz AM shortwave SW: 3.5MHz-30MHz AM Single Sideband SSB: 3.5MHz-30MHz (BFO adjustment 0-2000Hz) Aviation band: 118MHz-137MHz; UHF expansion: supports UHF band reception/transmission function through expansion board (please comply with local laws and regulations) Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Colour: black Material: PCB Package Contents: 1*Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.