The RMK-3-1262+ from Mini Circuits is a Frequency Multiplier with Input Frequency 2.25 to 4.2 GHz, Output Frequency 6.75 to 12.6 GHz, Input Power 7 to 11 dBm, Harmonics 5 to 50 dBc, Conversion Loss 15.5 to 20 dB. Tags: Surface Mount. More details for RMK-3-1262+ can be seen below.