Baluns allow two dissimilar cable types to be joined together with the minimum of electrical degradation. The word “Balun” comes from the terms Balanced cable and Unbalanced cable i.e. a device permitting the physical and electrical connection of these very different cable types. This has BNC connector at one side & RJ 45 Connector on other Side.  Baluns have been designed with the installer in mind. The units have the features like Compact design.