<li><b>Physical obstructions.</b> Physical objects, such as walls, buildings, trees and others may cause obstructions in the path between your device and its serving cell, which may cause lower speeds than under line-of-sight conditions. Even the materials of which these objects consist are a also factor in determining speed.</li> | <li><b>Physical obstructions.</b> Physical objects, such as walls, buildings, trees and others may cause obstructions in the path between your device and its serving cell, which may cause lower speeds than under line-of-sight conditions. Even the materials of which these objects consist are a also factor in determining speed.</li> |