The ASX20-423 from Wright Technologies is a Frequency Multiplier with Input Frequency 3.0 to 5.0 GHz, Output Frequency 12 to 20 GHz, Input Power 10 dBm, Output Power 23 to 24 dBm (Sat), Harmonics -20 dBc. Tags: Module with Connectors. More details for ASX20-423 can be seen below.