The S5TR-010400E5B from Corech Microwave is a RF Switch with Frequency 1 to 40 GHz, Insertion Loss 6 to 6.5 dB, Isolation 60 to 70 dB, Power 23.01 dBm, Power 0.2 W. Tags: Module with Connectors, Solid State. More details for S5TR-010400E5B can be seen below.