Cable in communication cables 500a cable 1.Center conductor :2.77mm 2. Dielectric:11.40mm 3.Shield :0.65mm 4. Jacket : pv
Cable in communication cables 500a cable
1.Center conductor : copper -clad steel/solid copper
nominal diameter :2.77mm
2. Dielectric :gas expanded polyethylene
nominal diameter over dielectric :11.40mm
3.Shield :
Solid aluminum tube
Nominal outer conductor thickness:0.65mm
4.Jecket :pvc/pe
Nominal jacket diameter: 14.50mm
Electrical properties :
Impedance: 75.0+/-3.0ohms
Capaccitance:50+/-3pf/m
Velocity of propagation :89.0%
Attenuation :@68 ° F (20°C)
Material | Size standard | Size | |
Center conductor | Copper-clad steel/solid copper | Nominal diameter | 2.77mm |
Dielectric | Gas expanded polyethylene | Nominal diameter over dielectric | 11.40mm |
Shield | Solid aluminum tube | Nominal outer conductor | 0.65mm |
Jacket | PE/PVC | Nominal jacket diameter | 14.50mm |
Frepuency | dB/100ft | dB/100meters |
5MHz | 0.16dB | 0.52dB |
55MHz | 0.54dB | 1.77dB |
83MHz | 0.66dB | 2.17dB |
211MHz | 1.09dB | 3.58dB |
250MHz | 1.20dB | 3.94dB |
300MHz | 1.31dB | 4.30dB |
350MHz | 1.43dB | 4.69dB |
400MHz | 1.53dB | 2.02dB |
450MHz | 1.63dB | 5.35dB |
500MHz | 1.73dB | 5.67dB |
550MHz | 1.82dB | 5.97dB |
600MHz | 1.91dB | 6.27dB |
750MHz | 2.16dB | 7.09dB |
865MHz | 2.34dB | 7.68dB |
1000MHz | 2.52dB | 8.27dB |
Technology hangzhou steel messenger drop wire in communication cables
