Features The product is only used to receive short-wave broadcasts.If there is a professional antenna, it can receive HAM communication. Made of high quality material, durable and long service life Simple to use and easy to operate Adopt NE602 mixing chip, which can provide stable performance With connecting cable, which can make sure the stability of connection Specification:Item Type: HF Upconverter Receiving Frequency: 150K-30MHZ Working Voltage: 5V Power: 1.6W Local Oscillator: 125MHZ, this is very important, it needs to be set in software or + 125M in frequency, such as 7.05M, which is 123.05M (7.05 + 125); Mixing Chip: NE602 Package List:1 x HF Upconverter 1 x USB Connecting Cable  1 x Connecting Cable  1 x Metal Connector Package List 1 x HF Upconverter 1 x USB Connecting Cable 1 x Connecting Cable 1 x Metal Connector