The SFB-15-E2 from ERAVANT is a RF Mixer with RF Frequency 50 to 75 GHz, LO Frequency 50 to 75 GHz, IF Frequency DC to 25 GHz, Conversion Loss 12 dB, LO Drive - Power 0 to 3 dBm. Tags: Module with Connectors, Single Balanced Mixer. More details for SFB-15-E2 can be seen below.