Technology hangzhou steel messenger drop wire in communication cables

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