The MAS050 from R & K Company Limited is a RF Mixer with LO Frequency 500 MHz to 2 GHz, IF Frequency DC to 1 GHz, Conversion Loss 6 to 9.5 dB, LO Drive - Power 20 dBm, P1dB 15 dBm. Tags: Surface Mount, Double Balanced Mixer. More details for MAS050 can be seen below.