The AMK-3-452+ from Mini Circuits is a Frequency Multiplier with Input Frequency 1 to 1.5 GHz, Output Frequency 3 to 4.5 GHz, Input Power 10 to 14 dBm, Harmonics -2 to 55 dBc, Conversion Loss 14.5 to 17.5 dB. Tags: Surface Mount. More details for AMK-3-452+ can be seen below.