The FM3X5P4G8P1G from Lotus Communication Systems is a Frequency Multiplier with Input Frequency 1800 to 2700 MHz, Output Frequency 5400 to 8100 MHz, Input Power 0 to 6 dBm, Harmonics 40 dBc, Conversion Loss 16 to 21 dBm. Tags: Module with Connectors, Passive. More details for FM3X5P4G8P1G can be seen below.