The AMC-12-RNHB1 from Millitech is a Frequency Multiplier with Input Frequency 8.125 to 9 GHz, Output Frequency 65 to 76 GHz, Input Power 3 dBm, Output Power 10 to 27 dBm, Voltage 12 V. Tags: Waveguide, Active, Waveguide Multiplier. More details for AMC-12-RNHB1 can be seen below.