The SFB-62351308-1519SF-E2 from ERAVANT is a Waveguide Mixer with RF Frequency 55 to 68 GHz, LO Frequency 41 to 60 GHz, IF Frequency DC to 20 GHz, Conversion Loss 7 to 11.5 dB, LO Drive Level 5 to 13 dBm. Tags: Balanced Mixer. More details for SFB-62351308-1519SF-E2 can be seen below.