ITEM NAME:150K-30MHZ HF Upconverter For RTL2383U SDR Receiver with Aluminum Case K6I7 150K-30MHZ HF Upconverter For RTL2383U SDR Receiver with Aluminum Case K6I7 Receiving frequency: 150K-30MHZ; working voltage: 5V; Power: 1.6W LO: 125MHZ, this is very important, need to set in the software or frequency + 125M, such as 7.05M, is 123.05M (7.05 +125); Mixing chip: NE602 According to the online radio talk in the circuit design and modification. As long as used to receive shortwave broadcast, if a professional antenna can receive HAM communication. Provide SDR # software and technical support. colour:black Material:ABS size:5* 2*1cm Package Contents: 1 * Frequency converter 1 * USU data cable 2 * cable