The FMR-3-3 from RF Bay is a Frequency Multiplier with Input Frequency 450 to 600 MHz, Output Frequency 1.35 to 1.8 GHz, Input Power -3 dBm, Harmonics 30 to 40 dBc, Conversion Loss 9 dB. Tags: Module with Connectors, Active. More details for FMR-3-3 can be seen below.