The FMR-3-6 from RF Bay is a Frequency Multiplier with Input Frequency 950 MHz to 1.5 GHz, Output Frequency 2.85 to 4.5 GHz, Input Power 9 dBm, Harmonics 20 to 30 dBc, Frequnecy 950 MHz to 1.5 GHz. Tags: Module with Connectors, Active. More details for FMR-3-6 can be seen below.