The HD25088 from HD Communications Corp is a Frequency Multiplier with Input Frequency 850 to 4000 MHz, Output Frequency 1.75 to 4 GHz, Input Power 10 to 20 dBm, Harmonics 40 to 52 dBc, Conversion Loss 14 to 22 dB. Tags: Module with Connectors, Passive. More details for HD25088 can be seen below.
