The MMP18441 from Teledyne Microwave Solutions is a RF Mixer with RF Frequency 4000 to 18000 MHz, LO Frequency 4000 to 18000 MHz, IF Frequency 0 to 4000 MHz, Conversion Loss 5.5 dB, LO Drive - Power 10 dB. Tags: Module with Connectors. More details for MMP18441 can be seen below.