Local outdoor telephone cable 1)Conductor diameter:0.4,0 ... 0.9mm 2)double steel tape armor 3)PE Sheath Local outdoor Telephone cable:1.Description:HYA communication cable is ... communication lines in the city, in the suburbs and some local regions. area and the relay route. It can be ... , manufacture name, year of being made and the length. Local outdoor telecommunication cables with 10-2400 pairs