Armored Fiber Optic Cable SCA to SCA Single-Mode (SM) 9/125 μm LSZH,Conform to G657A2/B2, great flexibility and duribility with the a metal sheathing housed in a robust outer jacket over the glass fiber. The cable can be installed indoor and outdoor. High quality fiber optic ensures reliable connection in harsh environments (machines, factories, railways, church), the cable is not harmed by animals. This cable is commonly used for Verizon Fios, Google Fiber and more FTTH in-home Fiber optic network extensions. Lower Insertion Loss ( ≤0.2dB ) and High Return Loss (≥60dB) make sure the connection speed of Internet Box. Cable diameter: 3.0 mm. Cable verified 100% of first quality and LSZH (Low Smoke Halogen Free). High quality customer service (24/7 service in USA). Welcome to contact our support service.