The ZX90-2-11-S+ from Mini Circuits is a Frequency Multiplier with Input Frequency 500 to 1100 MHz, Output Frequency 1000 to 2200 MHz, Input Power 5 to 10 dBm, Supression F 21 to 30 dBc, Supression 3F 25 to 34 dBc. Tags: Module with Connectors, Passive. More details for ZX90-2-11-S+ can be seen below.