Belden Yj70124, 20 Awg X 2 Pair Rs-485 Cable : 2 Pairs, 0.5 Sqmm Stranded Tinned Copper Conductors, Hdfmpe Insulation, Overall Beldfoil? Shieldand Plug A 24 Awg Stranded Tinned Copper Drain Wire, Tinned Copper Braid (50% Coverage),Overall Pvc Jacket.