Designing a custom-made casing that doesn't block the signal

I’m designing a custom casing for a sensor that sends its data with a SARA SSF r410M. How do I make sure that the shell does not block the GPS, LTE-M and NB-lo reach?

Suppose I made the casing out of steel or aluminium, would it block the signal? What are do’s and don’ts when designing such a casing so that the signals are not blocked? What materials to use?

As you probably understand, I don’t have much experience with electronics, but forward thanks anyway!

Hi Lucas,
I agree with you regarding the Global Positioning System and LTE reach issue where we should always look out for proper transmission of data so that the bandwidth does not get affected.You can contact the professionals at Servo drives repair to get an idea about electronics equipments.