The PE8650 from Pasternack Enterprises Inc is a RF Mixer with RF Frequency 2 to 8 GHz, LO Frequency 2 to 8 GHz, IF Frequency DC to 1.5 GHz, Conversion Loss 6 dB, LO Drive - Power 10 dB. Tags: Module with Connectors, Double Balanced Mixer. More details for PE8650 can be seen below.