The ZX90-2-19+ from Mini Circuits is a Frequency Multiplier with Input Frequency 1.1 to 1.9 GHz, Output Frequency 2.2 to 3.8 GHz, Input Power 5 to 10 dBm, Harmonics 17 to 30 dBc, Conversion Loss 10.5 to 14.5 dB. Tags: Module with Connectors. More details for ZX90-2-19+ can be seen below.