The ZX90-3-122+ from Mini Circuits is a Frequency Multiplier with Input Frequency 300 to 400 MHz, Output Frequency 900 MHz to 1.2 GHz, Input Power 0 to 6 dBm, Harmonics 48 to 70 dBc, Conversion Loss 16 to 20 dB. Tags: Module with Connectors. More details for ZX90-3-122+ can be seen below.