The KSX2-442+ from Mini Circuits is a Frequency Multiplier with Input Frequency 600 MHz to 2.2 GHz, Output Frequency 1.2 to 4.4 GHz, Input Power 7 to 15 dBm, Harmonics 20 to 35 dBc, Conversion Loss 11 to 14.5 dB. Tags: Surface Mount. More details for KSX2-442+ can be seen below.