The PE8654 from Pasternack Enterprises Inc is a RF Mixer with RF Frequency 6000 to 18000 MHz, LO Frequency 6000 to 18000 MHz, IF Frequency 1500 to 8000 MHz, Conversion Loss 7 dB, LO Drive - Power 10 dB. Tags: Module with Connectors, Double Balanced Mixer. More details for PE8654 can be seen below.