The FDR-8-16 from Shireen, Inc is a Frequency Multiplier with Input Frequency 4 to 8 GHz, Output Frequency 8 to 16 GHz, Input Power 10 to 15 dBm, Conversion Loss 16 to 19 dB, VSWR 2.70:1, 4.50:1. Tags: Module with Connectors, Passive, Frequency Doubler. More details for FDR-8-16 can be seen below.