The D-0308 from Marki Microwave is a Frequency Multiplier with Input Frequency 3 to 8 GHz, Output Frequency 6 to 16 GHz, Input Power 10 to 16 dBm, Harmonics 15 to 30 dBc, Conversion Loss 9 dB. Tags: Module with Connectors. More details for D-0308 can be seen below.