The MDS300 from R & K Company Limited is a RF Mixer with LO Frequency 2 to 5 GHz, IF Frequency DC to 2.5 GHz, Conversion Loss 6 to 9.5 dB, LO Drive - Power 20 dBm, P1dB 13 dBm. Tags: Surface Mount, Double Balanced Mixer. More details for MDS300 can be seen below.