The FX-05-410 from Pulsar Microwave is a Frequency Multiplier with Input Frequency 50 MHz to 2.1 GHz, Output Frequency 100 MHz to 4.2 GHz, Input Power 10 dBm, Conversion Loss 13 to 20 dB, Frequnecy 50 MHz to 2.1 GHz. Tags: Module with Connectors, Passive. More details for FX-05-410 can be seen below.