Steel structural elements are designed to support the weight and wind loading that macrocell antennas and radio units create on a tower. More important, structural elements must be designed and installed to minimize passive intermodulation interference, or PIM, that is generated from transmitted and received RF signals reflecting off of these elements. CommScope’s Chuck Mann, Senior Director, Engineering R&D and Jared Haines, Director of Product Line Management-Structures, talk to John Ce...