The PE86X9004 from Pasternack Enterprises Inc is a RF Mixer with LO Frequency 15 to 23 GHz, IF Frequency DC to 3.5 GHz, Image Rejection 20 to 30 dB, Conversion Loss 8 to 10 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 PE86X9004 can be seen below.