The MMC-SP3T-0218-60 from Mesa Microwave is a RF Switch with Frequency 0.5 to 18 GHz, Insertion Loss 3.8 dB, Isolation 60 dB, Power 20 to 23 dBm, Power 0.1 to 0.19 W. Tags: Module with Connectors, Solid State. More details for MMC-SP3T-0218-60 can be seen below.