The MDH120 from R & K Company Limited is a RF Mixer with LO Frequency 1.4 to 3.2 GHz, IF Frequency DC to 500 MHz, Conversion Loss 7.5 to 10.5 dB, LO Drive - Power 15 dBm, P1dB 3 dBm. Tags: Surface Mount, Double Balanced Mixer. More details for MDH120 can be seen below.