The PE86X1019 from Pasternack Enterprises Inc is a RF Mixer with RF Frequency 40 MHz to 2.5 GHz, LO Frequency 40 MHz to 2.5 GHz, IF Frequency DC to 1 GHz, Conversion Loss 8 to 9.5 dB, LO Drive - Power 10 to 16 dBm. Tags: Module with Connectors, Double Balanced Mixer. More details for PE86X1019 can be seen below.