The FM3X450M900M from Lotus Communication Systems is a Frequency Multiplier with Input Frequency 150 to 300 MHz, Output Frequency 450 to 900 MHz, Input Power 12 to 17 dBm, Harmonics 66 dBc, Conversion Loss 14 to 19 dBm. Tags: Module with Connectors, Passive. More details for FM3X450M900M can be seen below.