The FMSM1001 from Fairview Microwave is a RF Switch with Frequency DC to 18 GHz, Insertion Loss 0.1 to 0.3 dB, Isolation 60 to 80 dB, Power 46.02 to 49.03 dBm, Power 40 to 80 W. Tags: Module with Connectors, Electro-Mechanical, Antenna Tuning Switch. More details for FMSM1001 can be seen below.