The MDL140 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 9 to 11 dB, LO Drive - Power 7 dBm, P1dB 3 dBm. Tags: Surface Mount, Double Balanced Mixer. More details for MDL140 can be seen below.