The RMK-3-662+ from Mini Circuits is a Frequency Multiplier with Input Frequency 1.6 to 2.2 GHz, Output Frequency 4.8 to 6.6 GHz, Input Power 9 to 13 dBm, Harmonics 6 to 45 dBc, Conversion Loss 15 to 19.5 dB. Tags: Surface Mount. More details for RMK-3-662+ can be seen below.