The AT-PM2-4067A from AT Microwave is a Frequency Multiplier with Input Frequency 20 to 33.5 GHz (Input), 40 to 67 GHz(Output), Output Frequency 40 to 67 GHz, Input Power 13 to 17 dBm, Harmonics -25 to -40 dBc, Return Loss 5 to 10 dB. Tags: Module with Connectors, Passive. More details for AT-PM2-4067A can be seen below.