The MX2-10750-K from NI Microwave Components is a Frequency Multiplier with Input Frequency 10.75 GHz, Output Frequency 21.5 GHz, Input Power -10 dBm, Output Power 17 dBm, Sub-Harmonic Suppression 3 dBc. Tags: Module with Connectors. More details for MX2-10750-K can be seen below.