The MMC-SP4T-DC4-15-SMA(F) from Mesa Microwave is a RF Switch with Frequency 2 to 4 GHz, Insertion Loss 0.25 dB, Isolation 80 dB, Power 53.01 to 54.7 dBm, Power 200 to 300 W. Tags: Module with Connectors, Solid State. More details for MMC-SP4T-DC4-15-SMA(F) can be seen below.