结构：裸钢线，聚乙烯(PE)绝缘，两根绝缘导线扭绞成对，聚乙烯或聚氯乙烯或低烟无卤护套。
标准：国际ISO/IEC 1181,美国ANSI/TIA/EIA-568A，适用于工作站插座和其它水平布线。
应用范围包括语音，综合业务数据网络(ISDN)，ATM155Mbps,100Mbps TPDDI,快速以太网，
IEEE 802,3/5/12
Product features:
Structure:bare copper wire,polyethylene(PE) insulation,two insulating wires are twisted into a pair,having EC or polyvingl halide or lowsmoke no-halide protective jacket.
Standard:international ISO/IEC 11801;American ANSI/EIA-568A Applicable to working station plug socket and other level wiring.The sppli cation range includes phoneme,date netword(ISDN),ATM155Mbps,100Mbps,TPDDI,Rapid Ethernet and IEEE802.3/5/12
产品性能：
Product propertles:
频率MHZ
Frequency MHZ 特性阻抗ohm
Characteristic impedance ohm 回波损耗 dB Echo dissipation dB 衰减dB/100m Attenuation dB/100m 近端串音dB Near end crosstalk dB 近端串音功率和bB Near end crosstalk power and dB 等效远端串音dB Equivalent far end corsstalk dB
0.772 100±15 16.7 1.8 64.0 64.0 63.0
1.0 17.0 2.1 62.3 62.3 60.8
4.0 18.8 4.3 53.3 53.3 48.7
8.0 19.7 5.9 48.8 48.8 42.7
10.0 20.0 6.6 47.3 47.3 40.8
16.0 20.0 8.2 44.3 44.3 36.7
20.0 20.0 9.2 42.8 42.8 34.7
25.0 19.3 10.5 41.3 41.3 32.8
31.25 18.6 11.8 39.9 39.9 30.9
62.5 16.5 17.1 35.4 35.4 24.8
100 15.1 22.0 32.3 32.3 20.8