The ASX19-420 from Wright Technologies is a Frequency Multiplier with Input Frequency 4.375 to 4.875 GHz, Output Frequency 17.5 to 19.5 GHz, Input Power 10 dBm, Output Power 20 to 22 dBm (Sat), Harmonics -20 dBc. Tags: Module with Connectors. More details for ASX19-420 can be seen below.