The MX290-1S from R & K Company Limited is a RF Mixer with LO Frequency 5 MHz to 2.4 GHz, IF Frequency 1 to 700 MHz, Conversion Loss 7 to 10 dB, LO Drive - Power 7 dBm, P1dB 1 dBm. Tags: Module with Connectors, Double Balanced Mixer. More details for MX290-1S can be seen below.