The AT-PM2-90140C from AT Microwave is a Frequency Multiplier with Input Frequency 45 to 70 GHz (Input), 90 to 140 GHz(Output), Output Frequency 90 to 140 GHz, Input Power 16 to 20 dBm, Harmonics -25 dBc, Conversion Loss 15 to 22 dB. Tags: Waveguide, Passive, Waveguide Multiplier. More details for AT-PM2-90140C can be seen below.