The FDB-12-E1 from Ducommun is a Waveguide Mixer with RF Frequency 60 to 90 GHz, LO Frequency 60 to 90 GHz, IF Frequency DC to 18 GHz, Conversion Loss 12 dB, LO Drive Level up to 3 dBm. Tags: Balanced Mixer. More details for FDB-12-E1 can be seen below.