The PE86X1021 from Pasternack Enterprises Inc is a RF Mixer with RF Frequency 1 MHz to 2.7 GHz, LO Frequency 1 MHz to 2.7 GHz, IF Frequency 1 MHz to 2 GHz, Conversion Loss 7 to 9.5 dB, LO Drive - Power 14 to 20 dBm. Tags: Module with Connectors, Double Balanced Mixer. More details for PE86X1021 can be seen below.