outdoor way splitter shell series feature good water-proof performance design,aluminum alloy die cast,and the surface is coated for anti-corrosion and anti-static after shot blast cleaning and natural color deactivation and polishing chromate treatment, so as to have good salt mist-proof and good weather-resisting property. The groove of the product is embedded with metal gauze screen so as to prevent disturbance of radio frequency and has a good screening performance. The product is sealed with silicon rubber strip so as to have a good water-proof performance, and can resist temperature as high as two hundred degree centigrade and as low as eighty degree centigrade below zero and will have no distortion.