Description: Indoor telecommunication cable HYA 1. Conductor: anneal bare copper; conductor line diameter: 0.4mm, 0.5mm, 0.6mm, 0.7mm; 2. Pairs: mini 5pairs, max800 pairs 3. Insulated single line: Solid polyolefin insulated single line. The insulated lines are separated by 10 colors according to the standard requirements. 4. Insulated pair lines: Wring two single lines together with different pitches according to the chromatogram composition that required. 5. Cable core cover belts: the cable core is covered by polyester film or film belts, and wrapped steadily by the polyester yarn. 6. Layer: the shielding layer is covered by the low density polyethlene film which contains the 2.5 ± 0.5% carbon black in it, thus formed a good damproof layer. 7. Features: air inflation, with the shielding layer. 8. Applications: voice communication, used both indoors and outdoors. Key words : Indoor telecommunication cable HYA, Telecommunication cable