The ACLM4594F from Cobham Signal & Control Solutions is a Limiter with Frequency 20 to 500 MHz, CW Flat Leakage 13.5 dBm, CW Flat Leakage 0.02 W, Flat Leakage 0.02 W, Flat Leakage 13.5 dBm. Tags: Module with Connectors, PIN Diode. More details for ACLM4594F can be seen below.