ADSS, GYXTW, GYTA, armored, and air-blown cables — 2 to 288 cores for aerial, duct, and direct burial. Outdoor fiber optic cables must survive where indoor cables cannot — extremes of temperature, UV exposure, moisture ingress, mechanical stress, and even rodent attack. These are the outdoor fiber optic cables you see strung along telephone poles (aerial), installed inside an underground duct, or even. Outdoor fiber optic cables are critical for building stable, high-speed networks in real-world environments. It affects performance, maintenance, cost, and reliability. The global outdoor fiber optic cable market reached $3. 08 billion in 2025 and is projected to hit $5.