The SSTA-180400E1B from Corech Microwave is a RF Switch with Frequency 18 to 40 GHz, Insertion Loss 4 to 5 dB, Isolation 45 to 50 dB, Power 20 dBm, Power 0.1 W. Tags: Module with Connectors, Solid State. More details for SSTA-180400E1B can be seen below.