The ZX90-2-19-S+ from Mini Circuits is a Frequency Multiplier with Input Frequency 1100 to 1900 MHz, Output Frequency 2200 to 3800 MHz, Input Power 5 to 10 dBm, Supression F 20 to 27 dBc, Supression 3F 23 to 30 dBc. Tags: Module with Connectors, Passive. More details for ZX90-2-19-S+ can be seen below.