The ATX20-420 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 20 dBm (Sat), Harmonics -20 dBc. Tags: Module with Connectors. More details for ATX20-420 can be seen below.