The ML1-0218SM from Marki Microwave is a RF Mixer with RF Frequency 2 to 18 GHz, LO Frequency 2 to 18 GHz, IF Frequency DC to 4 GHz, Conversion Loss 7 to 14 dB, P1dB 3 to 9 dBm. Tags: Surface Mount, Module with Connectors, Double Balanced Mixer. More details for ML1-0218SM can be seen below.