The SK4-0524335060-KFKF-A3 from ERAVANT is a RF Switch with Frequency 500 MHz to 43 GHz, Insertion Loss 5.0 dB, Isolation 45 to 60 dB, Power 20 dBm, Power 0.1 W. Tags: Module with Connectors, Solid State. More details for SK4-0524335060-KFKF-A3 can be seen below.