The MX420-0S from R & K Company Limited is a RF Mixer with LO Frequency 2 to 9 GHz, IF Frequency 5 MHz to 2 GHz, Conversion Loss 6 to 9.5 dB, LO Drive - Power 15 dBm, P1dB 11 dBm. Tags: Module with Connectors, Double Balanced Mixer. More details for MX420-0S can be seen below.