The connector type RF CONNECTOR refers to the connector type.It's best to use it when the temperature is below 80°C.This device must operate at a minimum temperature of -30°C.
MRF03-6P-0.8D(40) Features
MRF03-6P-0.8D(40) Applications
There are a lot of Hirose Electric Co Ltd MRF03-6P-0.8D(40) Coaxial Connectors applications.