The ATX23-420 from Wright Technologies is a Frequency Multiplier with Input Frequency 5.25 to 5.75 GHz, Output Frequency 21 to 23 GHz, Input Power 10 dBm, Output Power 20 dBm (Sat), Harmonics -20 dBc. Tags: Module with Connectors. More details for ATX23-420 can be seen below.