The PE12D1004 from Pasternack Enterprises Inc is a RF Mixer with RF Frequency 33 to 50 GHz, LO Frequency 33 to 50 GHz, IF Frequency DC to 18 GHz, Conversion Loss 6.5 dB, LO Drive - Power 13 to 15 dBm. Tags: Module with Connectors, Down-Conversion Mixer. More details for PE12D1004 can be seen below.