The D-0308LE from Marki Microwave is a Frequency Multiplier with Input Frequency 3.0 to 8.0 GHz, Output Frequency 6 to 16 GHz, Input Power 10 to 13 dBm, Supression F 15 to 25 dBc, Supression 3F 20 to 30 dBc. Tags: Surface Mount, Frequency Doubler, Passive. More details for D-0308LE can be seen below.