The PE12D1005 from Pasternack Enterprises Inc is a Waveguide Mixer with RF Frequency 26.5 to 40 GHz, LO Frequency 26.5 to 40 GHz, IF Frequency DC to 18 GHz, Conversion Loss 6 dB, LO Drive Level 13 to 15 dBm. Tags: Down Converter Mixer, Double Balanced Mixer. More details for PE12D1005 can be seen below.