The ATX40B-423 from Wright Technologies is a Frequency Multiplier with Input Frequency 10 to 20 GHz, Output Frequency 20 to 40 GHz, Input Power 10 dBm, Output Power 23 dBm (Sat), Harmonics -20 dBc. Tags: Module with Connectors. More details for ATX40B-423 can be seen below.