1, SPECIFICATION of DUPLEX SSTP cat7 1) CONDUCTOR * Raw material of the conductor: solid bare copper * Conductor Dia.: 0.585±0.003mm (23AWG) 2) INSULATION * Raw material of the conductor: F-PE * Quantity:4 twisted pairs Blue/white-blue; Green/white-green; Orange/white-green;Brown/white-brown; * Insulation Dia. : 1.45±0.005mm * Average thickness: 0.4325 mm * Minimum point thickness: 0.43mm 3) TWISTED PAIRS SCREEN: Aluminum foil 4) DRAIN WIRE: OD 0.4mm TC wire 5) OVERALL SCREEN : 96/0.12mm AL-MG wire braid 6) SHEATH * Sheath material: LSZH or PVC * Nominal Dia.: 7.6mm * 16.0mm± 0.2mm * Average thickness: 0.55mm * Minimum point thickness: 0.55mm 2, Mechanical Properties Conductor insulation material: halogen free Foam/Skin material Cable jacket material: halogen-free, flame-retardant material Application area: dray as well as humid rooms Temperature (moved): 0°C to 50°C Operating temperature: -20°C to +60°C Min. bending radius for one-time bending: 4×O.D. Min. bending radius during installation: 8×O.D. 3, Electrical properties Loop impendence: 130 W/km Highest impendence difference: 2% Insulation resistance >5000 MW x km Impendence Z0 at 1 500MHz: 100 W ± 15% Impendence Z0 at 1 350MHz: 100 W ± 18% Impendence Z0 at 1 600MHz: 100 W ± 25% Surface transfer impendence: < 100 MW per Meter at 10MHz Earthing symmetry db/BZL = 1000m > 46dB at 64kHz Earthing symmetry db/BZL = 100m > 40dB at 1MHz Earthing symmetry db/BZL = 100m > 20dB at 100MHz Mutual capacitance: 43pF/m Highest earthing-coupling: 0,001MHz: 1000 pF/km Propagation speed at > 10MHz (NVP*c): 0,79c Signal propagation delay >10MHz: 4,2ns/m Skew: <25ns/100m 4, Transmission Properties: ( at 20°C) Frequency [MHz] 110162031.2562.5100300600Typical values (attenuation) [db/100m] 1.85.26.87.79.613.817.531.545.0Typical values (NEXT) [db/100m] >100>100>100>100>100>10098.093.089.0Typical values (PSNEXT) [db/100m] 98.098.098.098.098.098.096.091.087.0Typical values (ELFEXT) [db/100m] 93.093.093.093.090.086.084.065.045.0Typical values (PSELFEXT) [db/100m] 91.091.091.091.088.084.082.063.043.0Typical values (RL) [db/100m] 26.234.736.335.736.336.136.131.727.5Typical values (ACR) [db/100m] 98.294.893.292.390.486.280.561.544.0