Information on microwave transfer switch

Good Morning, for my thesis I've to design a transfer switch operating between 8 and

14 Ghz, I would want to ask you where I could found a little bit of tutorials on this theme in a way to avoid many stupid questions for you. I've already searched on google but I've found just commercial information while I'm interested to schemas and designs consideration on this topic.

Many Thanks for your help,

Antonio D'Ottavio