China 50ohm 75ohm Foam PE Coaxial Coax Communication Computer Cable for CATV, Find details about China Cat5e Cable, Audio Cable from 50ohm 75ohm Foam PE Coaxial Coax Communication Computer Cable for CATV
Standard shield | Tri-Shield | Quad-Shield | ||
Conductor | Material | BC/CCS | BC/CCS | BC/CCS |
Nominal Diameter | 18AWG | 18AWG | 18AWG | |
Dielectric | Material | Foam PE | Foam PE | Foam PE |
Nominal Diameter | 4.57mm | 4.57mm | 4.57mm | |
Shield | Material | Al Foil+ Al Braiding | Al Foil+ Al Braiding+ Al Foil | (Al Foil+ Al Braiding)*2 |
Coverage | 40%-95% | 40%-95% | 40%-60% | |
Jacket | Material | PVC/PE | PVC/PE | PVC/PE |
Nominal Thickness | 0.80mm | 0.80mm | 0.86mm | |
Nominal Diameter | 6.91mm | 7.06mm | 7.62mm |
Nominal Impedance(ohm) | 75±3 | ||
Nominal Velocity of propagation(%) | 85 | ||
Nominal Capacitance(pf/m) | 50 | ||
Spark Test(VAC) | 3000 | ||
SRL(dB) | 20 | 20 | |
Attenuation [68o F(20OC)] | Frequency(MHz) | Minimum(dB/100ft) | Minimum(dB/100ft) |
5 | 0.58 | 1.9 | |
55 | 1.6 | 5.25 | |
187 | 2.85 | 9.35 | |
300 | 3.55 | 11.64 | |
450 | 4.4 | 14.43 | |
600 | 5.1 | 16.73 | |
750 | 5.65 | 18.54 | |
865 | 6.1 | 20.01 | |
1000 | 6.55 | 21.49 |