The RFSP4TA5M18G-C2 from RF-Lambda is a RF Switch with Frequency 500 MHz to 18 GHz, Insertion Loss 1.8 to 3.5 dB, Isolation 60 to 75 dB, P1dB 30 dBm, P1dB 1 W. Tags: Module with Connectors, Solid State. More details for RFSP4TA5M18G-C2 can be seen below.