Specifications:1) Standards: a) International ISO/IEC 11801 b) USA ANSI/TIA/EIA-568B.2-12) Structure: 0.57-0.585mm solid bare copper (23AWG copper), PE insulation, 4 pairs, aluminum foil shield, FR/PVC or LSOH jacket3) Frequency: 250MHz4) Conforms to UL requirements5) Transmission velocity: 600Mbps6) Applications: 100 base T, giga-Ethenet, ATM155Mbps, and multimedia networksInner packing:305m/boxOuter packing:2 boxes/carton producing area:China payment:T/T in Advance , L/C at Sight