Metallic strength member layer stranded loose tube filled with aluminum (steel) - Outdoor polyethylene sheath cable communications 
 (1) Features: compact structure, small size, light weight, the cable has superior bending performance and ease of construction; 
 The remaining length of precise control and unique twisted process, so that cable has more excellent mechanical properties and environmental performance; 
 Single steel central strength and good water blocking material, so that cable has a better performance against the vertical seepage. 
 (2) Applications: suitable for long-distance communication and interoffice communication 
 (3) laying methods: pipes, overhead 
 (4) temperature range: -40 ℃ ~ +70 ℃