The SFB-08-N1 from ERAVANT is a Waveguide Mixer with RF Frequency 90 to 140 GHz, LO Frequency 90 to 140 GHz, IF Frequency DC to 40 GHz, Conversion Loss 12 to 14 dB, LO Drive Level 13 dBm. Tags: Balanced Mixer. More details for SFB-08-N1 can be seen below.