The MX4-9954-K from NI Microwave Components is a Frequency Multiplier with Input Frequency 9.954 GHz, Output Frequency 39.816 GHz, Input Power -10 dBm, Output Power 17 dBm, Sub-Harmonic Suppression 3 dBc. Tags: Module with Connectors. More details for MX4-9954-K can be seen below.