The MAS020 from R & K Company Limited is a RF Mixer with LO Frequency 1 to 800 MHz, IF Frequency DC to 500 MHz, Conversion Loss 6 to 9 dB, LO Drive - Power 20 dBm, P1dB 16 dBm. Tags: Surface Mount, Double Balanced Mixer. More details for MAS020 can be seen below.