The FX-06 from Pulsar Microwave is a Frequency Doubler with Input Frequnecy 300 to 3000 MHz, Output Frequency 600 to 6000 MHz, Input Power 10 dBm, Conversion Loss 13 dB, Spurious F1 16 dBc. Tags: Frequency Doubler, Passive Doubler, Quadrupler. More details for FX-06 can be seen below.