The KC2-50+ from Mini Circuits is a Frequency Multiplier with Input Frequency 3.5 to 5 GHz, Output Frequency 7 to 10 GHz, Input Power 7 to 12 dBm, Harmonics 15 to 30 dBc, Conversion Loss 11.3 to 16 dB. Tags: Surface Mount. More details for KC2-50+ can be seen below.