The MD3541 from Advanced Microwave Inc is a Frequency Multiplier with Input Frequency 2 to 7 GHz, Output Frequency 4 to 14 GHz, Input Power 13 dBm, Output Power 1 to 4 dBm, Harmonics -45 dBc(Third Harmonic). Tags: Module with Connectors. More details for MD3541 can be seen below.