2pair telephone cable with steel wire 1)0.50mm BC or CCA,,steel messenger, solid or stranded 2)Standard: UL444, ... ,cat5e lan cable,utp cable, 2pair telephone cable with steel wire Conductor: solid annealed copper,size 0.50,0 ... or enhance type or jelly filled* Zinic coating steel support* Can produce the cables as per customer structure ... as per customer request 2pair telephone cable with steel wire