The FD25E from MACOM is a Frequency Multiplier with Input Frequency 5 MHz to 2.4 GHz, Output Frequency 10 MHz to 4.8 GHz, Input Power 10 dBm, Conversion Loss 11.5 to 13.5 dB, VSWR 1.50:1. Tags: Flatpack, Passive. More details for FD25E can be seen below.