The MDM140 from R & K Company Limited is a RF Mixer with LO Frequency 1.3 to 3.2 GHz, IF Frequency DC to 800 MHz, Conversion Loss 7.5 to 10 dB, LO Drive - Power 10 dBm, P1dB 3 dBm. Tags: Surface Mount, Double Balanced Mixer. More details for MDM140 can be seen below.