The RMK-5-972+ from Mini Circuits is a Frequency Multiplier with Input Frequency 1620 to 1950 MHz, Output Frequency 8100 to 9750 MHz, Input Power 7 to 11 dBm, Supression F -12 to -0.2 dBc, Supression 2F 38 to 60 dBc. Tags: Surface Mount, Passive. More details for RMK-5-972+ can be seen below.