The ACLM4903 from Cobham Signal & Control Solutions is a Limiter with Frequency 200 MHz to 1 GHz, CW Flat Leakage 14 dBm, CW Flat Leakage 0.02 W, Flat Leakage 0.02 W, Flat Leakage 14 dBm. Tags: Module with Connectors. More details for ACLM4903 can be seen below.