The FD25HC from MACOM is a Frequency Multiplier with Input Frequency 50 MHz to 3.3 GHz, Output Frequency 100 MHz to 6.6 GHz, Input Power 23 dBm, Conversion Loss 12 to 13.8 dB, VSWR 1.50:1. Tags: Module with Connectors, Passive. More details for FD25HC can be seen below.