The ATX26-423 from Wright Technologies is a Frequency Multiplier with Input Frequency 4.5 to 6.625 GHz, Output Frequency 18 to 26.5 GHz, Input Power 10 dBm, Output Power 23 dBm (Sat), Harmonics -20 dBc. Tags: Module with Connectors. More details for ATX26-423 can be seen below.