The ZX90-2-11+ from Mini Circuits is a Frequency Multiplier with Input Frequency 500 MHz to 1.1 GHz, Output Frequency 1 to 2.2 GHz, Input Power 5 to 10 dBm, Harmonics 21 to 34 dBc, Conversion Loss 10.5 to 13.5 dB. Tags: Module with Connectors. More details for ZX90-2-11+ can be seen below.