This DIY Radio is mainly based on SI4732, SI5351, SA602, including two sognal output modes: Dogital OutPut and Analog Output. Digital Output Mode: Radio (Radio band definitions may not be applicable to your country) • FM: 64MHz-108MHz • AM: 520KHz-1710KHz • AM SW: 3.5MHz-30MHz • Aviation Band/Air Band: 118MHz-137MHz Bluetooth Speaker Analog Output Mode: Radio • FM: 64MHz-108MHz; • AM: 520KHz-1710KHz; • AM SW: 3.5MHz-30MHz; • AM SSB: 3.5MHz-30MHz (BFO -2000 to +2000Hz); • Aviation Band/Air Band: 118MHz-137MHz