The ACLM-4891 from Cobham Signal & Control Solutions is a Limiter with Frequency 600 MHz to 3.1 GHz, CW Flat Leakage 13 dBm, CW Flat Leakage 0.025 W, Input Power 47.7 to 50 dBm, Input Power 60 to 100 W. Tags: Module with Connectors. More details for ACLM-4891 can be seen below.