E is a single-mode optical fiber engineered specifically for ultra-long-haul and submarine networks. E fibre and cable is rapidly increasing in these years, it would contribute more for the improvement of optical network in future. GL FIBER's FarBand® Ultra delivers both advantages in a single fiber, combining industry-leading low attenuation with an optimized large effective area. General Symmetric cable pairs Land coaxial cable pairs Submarine cables Free space optical systems G. Proven Export Quality: We have a verified track record of exporting finished G. The fiber complies. Single Mode Fibers (SMF), PureBand™ and PureAccess™ series are widely used for Backbone, Core, Metro, Access and FTTH. Employing pure silica core technologies, we. Bending losses are a function of the fiber type (SM or MM), fiber design (core diameter and NA), transmission wavelength (longer wavelengths are more sensitive to stress) and cable design. Ideal for indoor and outdoor use. Shop now for quality!| Alibaba.