The MDL040 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 6.5 to 10.5 dB, LO Drive - Power 7 dBm, P1dB 4 dBm. Tags: Surface Mount, Double Balanced Mixer. More details for MDL040 can be seen below.