The SRS3019 from Teledyne Microwave Solutions is a RF Switch with Frequency 5 MHz to 3 GHz, Insertion Loss 1 dB, Isolation 38 dB, P1dB 28 dBm, P1dB 0.63 W. Tags: Module with Connectors, Surface Mount, Solid State. More details for SRS3019 can be seen below.