The S12TA-180400E13B from Corech Microwave is a RF Switch with Frequency 18 to 40 GHz, Insertion Loss 12 to 14 dB, Isolation 40 dB, Power 23.01 dBm, Power 0.2 W. Tags: Module with Connectors, Solid State. More details for S12TA-180400E13B can be seen below.