This armored optical cable is engineered with 4 single-mode fibers housed within a water-blocked loose tube, wrapped in aluminum tape for enhanced mechanical strength and moisture resistance. FIBERHOME Stranded Outdoor Armored Optical Cable GYTA-4B1. Featuring robust aluminum tape armor and a stranded design, this cable offers superior protection against mechanical damage, making. Load:150N;number of cycles:30 No obvious addition attenuation, no fiber break and no cable damage. Impact energy:450g×1m; radius of hammer head:12. Durable, anti-UV, and waterproof. A steel wire, sometimes sheathed with polyethylene (PE) for cable with high fiber count, locates in the center of core as a. Loose Tube Stranded GYTA Outdoor Aerial and Duct 4 Core Single Mode Fiber Optic Cable The fibers, 250µm, are positioned in a loose tube made of a high modulus plastic.