... pairs , 1)pure copper 0.48~0.50mm, 2)PE insulation , 3)PVC jacket, 4)rip cord optional. UTP CAT3 ... or PE Electrical Characteristics: Frequency(MHz): 1 4 8 10 16 Attenuation(dB/100m): 2. 6 5. ... 0 12. 0 12. 0 12. 0 12. 0 NEXT(dB/100m): 41. 3 32. 3 27. 8 26. 3 23. 3 PS NEXT(dB/100m): 41. 3 32. 3 27. 8 26. 3 ... Carton box, pull out box, pallet available. 4) Other packing available according to client's request ...