The SDTR-010400E1B from Corech Microwave is a RF Switch with Frequency 1 to 40 GHz, Insertion Loss 3.7 to 4.5 dB, Isolation 60 to 70 dB, Power 23.01 dBm, Power 0.2 W. Tags: Module with Connectors, Solid State. More details for SDTR-010400E1B can be seen below.