The SFS-08-N3 from ERAVANT is a Waveguide Mixer with RF Frequency 90 to 140 GHz, LO Frequency 45 to 70 GHz, IF Frequency DC to 5 GHz, Conversion Loss 16 dB, LO Drive Level 16 dBm. Tags: Sub-Harmonic Mixer. More details for SFS-08-N3 can be seen below.