The PE86X1023 from Pasternack Enterprises Inc is a RF Mixer with RF Frequency 5 MHz to 4.2 GHz, LO Frequency 5 MHz to 4.2 GHz, IF Frequency 5 MHz to 3.5 GHz, Conversion Loss 9.8 to 11.8 dB, LO Drive - Power 10 to 16 dBm. Tags: Module with Connectors, Double Balanced Mixer. More details for PE86X1023 can be seen below.