The HD25090 from HD Communications Corp is a Frequency Multiplier with Input Frequency 2000 to 8000 MHz, Output Frequency 4 to 8 GHz, Input Power 10 to 15 dBm, Harmonics 33 to 42 dBc, Conversion Loss 13 to 17 dB. Tags: Module with Connectors, Passive. More details for HD25090 can be seen below.