The PE12D1003 from Pasternack Enterprises Inc is a RF Mixer with RF Frequency 40 to 60 GHz, LO Frequency 40 to 60 GHz, IF Frequency DC to 18 GHz, Conversion Loss 7 dB, LO Drive - Power 13 to 15 dBm. Tags: Module with Connectors, Down-Conversion Mixer. More details for PE12D1003 can be seen below.