The PEWGMX1003 from Pasternack Enterprises Inc is a Waveguide Mixer with RF Frequency 40 to 60 GHz, LO Frequency 40 to 60 GHz, IF Frequency DC to 20 GHz, Conversion Loss 11 dB, LO Drive Level 13 dBm. Tags: Down Converter Mixer, Double Balanced Mixer. More details for PEWGMX1003 can be seen below.