The ACSW-5548 from Cobham Signal & Control Solutions is a RF Switch with Frequency 20 to 550 MHz, Insertion Loss 1.2 dB, Isolation 60 dB, P1dB 50 dBm, P1dB 100 W. Tags: Module with Connectors, Solid State. More details for ACSW-5548 can be seen below.