The coaxial cable is known to provide the protection that is needed against the EMI when data transmitting is taking place. This electrical cable is protected because of the insulating layer. Take note that there are different coaxial cables that are available.
There are some that are known to be better than the others. It is best that you will check the different brands available before you pick the one that you need. There are moments when it can be purchased as a part of a package. The BNC is responsible for connecting the coaxial cable.