The ZX90-3-452+ 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 16 dBm, Harmonics 40 to 55 dBc, Conversion Loss 14.7 to 18 dB. Tags: Module with Connectors. More details for ZX90-3-452+ can be seen below.