The FMFX2003 from Fairview Microwave is a Frequency Multiplier with Input Frequency 4 to 21 GHz, Output Frequency 8 to 21 GHz, Input Power 6 dBm, Output Power 10 to 14 dBm, Sub-Harmonic Suppression 16 dBc. Tags: Module with Connectors, Active. More details for FMFX2003 can be seen below.