The PE86X9005 from Pasternack Enterprises Inc is a RF Mixer with LO Frequency 20 to 31 GHz, IF Frequency DC to 4.5 GHz, Image Rejection 17 to 24 dB, Conversion Loss 10 to 15 dB, LO Drive - Power 17 to 27 dBm. Tags: Module with Connectors, Drop-In, Double Balanced Mixer, I/Q Mixer, Image Reject Mixer. More details for PE86X9005 can be seen below.