The S4TR-005265E4B from Corech Microwave is a RF Switch with Frequency 0.5 to 26.5 GHz, Insertion Loss 3.3 to 4 dB, Isolation 60 to 70 dB, Power 23.01 dBm, Power 0.2 W. Tags: Module with Connectors, Solid State. More details for S4TR-005265E4B can be seen below.