Best for Outdoor and Direct Burial Installations CAT8 Outdoor Ethernet Cable is designed to withstand the outdoor elements. It endures the effects of the sun, water, temperature changes and exposure to potential wildlife and other elements. Heavy Duty & High Performance26AWG, OD 0.275inch (7.0mm ± 0.01mm), low signal attenuation for long distance transmission. Heavy duty outdoor ethernet cable be made of improve PVC is more effective to protect against EMI/RFI Interference, water proof, UV proof, extremely low signal attenuation for long distance transmission and high resistance to external interference, both outdoor and indoor conditions are permitted to install, also direct burial. Weatherproof & UV ResistantShielded with high quality UV-resistant PVC jacket, the outdoor rated CAT7 outdoor ethernet cable is anti-aging. It can withstand direct sunlight and extreme cold at -40 & hot at 70 still working efficiently High CompatibilityCompatible with Cat5/Cat5e/Cat6/Cat6A/C