The MAX2M020040 from Narda-MITEQ is a Frequency Doubler with Input Frequnecy 1000 to 2000 MHz, Output Frequency 2000 to 4000 MHz, Input Power 8 to 12 dBm, Output Power 8 dBm, Voltage 5 V. Tags: Module with Connectors. More details for MAX2M020040 can be seen below.