There should be a RF switching's maximum operating temperature of 70°C or less.RF switch ics with the SMA-F, HIGH ISOLATION feature are more efficient and stable.
SW8-005020RN1NF Features
SMA-F, HIGH ISOLATION
SW8-005020RN1NF Applications
There are a lot of L3 Narda-MITEQ SW8-005020RN1NF RF Switches applications.