The FDR-1-2 from Shireen, Inc is a Frequency Multiplier with Input Frequency 0.01 to 1 GHz, Output Frequency 0.02 to 2.0 GHz, Input Power 12 to 16 dBm, Conversion Loss 10.5 to 16 dB, Frequnecy 0.01 to 1 GHz. Tags: Module with Connectors, Passive, Frequency Doubler. More details for FDR-1-2 can be seen below.