The MMCBM-1220-40S from Mesa Microwave is a RF Mixer with RF Frequency 12 to 20 GHz, LO Frequency 12 to 20 GHz, IF Frequency DC to 500 MHz, Conversion Loss 5 dB, LO Drive - Power 7 to 13 dBm. Tags: Module with Connectors, Double Balanced Mixer. More details for MMCBM-1220-40S can be seen below.