The RMK-5-83+ from Mini Circuits is a Frequency Multiplier with Input Frequency 1 to 1.6 GHz, Output Frequency 5 to 8 GHz, Input Power 7 to 11 dBm, Harmonics -3.5 to 62.5 dBc, Conversion Loss 28 to 34.5 dB. Tags: Surface Mount. More details for RMK-5-83+ can be seen below.