The MAS040 from R & K Company Limited is a RF Mixer with LO Frequency 5 MHz to 1.5 GHz, IF Frequency DC to 1 GHz, Conversion Loss 7 to 10 dB, LO Drive - Power 20 dBm, P1dB 18 dBm. Tags: Surface Mount, Double Balanced Mixer. More details for MAS040 can be seen below.