The QMC-M2K-F1842 from Quantum Microwave is a Frequency Multiplier with Input Frequency 9 to 21 GHz, Output Frequency 18 to 42 GHz, Input Power 2 to 5 dBm, Output Power 15 dBm, Harmonics -20 dBc. Tags: Module with Connectors. More details for QMC-M2K-F1842 can be seen below.