The AK-3000+ from Mini Circuits is a Frequency Multiplier with Input Frequency 70 MHz to 1.5 GHz, Output Frequency 140 MHz to 3 GHz, Input Power 12 to 15 dBm, Harmonics 14 to 30 dBc, Conversion Loss 10.5 to 16 dB. Tags: Plug in. More details for AK-3000+ can be seen below.