Access network coaxial cable is the cable connecting optic circuit equipment to customer interfaces in the hybrid fiber coaxial (HFC) network. It is mainly used to transmit data, TV and computer signals in the broadband and compatible multipurpose public network.

RG7 Cable Series Specification

	Standard Shield	Three Layer Shield	Four Layer Shield
Inner Conductor Diameter(mm)	1.3	1.3	1.3
Insulation Diameter(mm)	5.72	5.72	5.72
The First Layer Shield Diameter (mm)	5.89	5.89	5.89
Jacket Diameter(mm)	8.10	8.20	8.64
Capacitance(pf/m)	53	53	53
Characteristic Impedance()	75	75	75
Insulance (M.KM)	5000	5000	5000
Dielectric Strength(V)	1500	1500	1500
Velocity of propagation()	85	85	85
Frequency(MHZ)	Attenuation(20°c) dB/100m
5	1.54
55	4.10
211	7.74
250	8.40
300	9.25
350	10.01
400	10.73
450	11.35
500	12.04
550	12.63
600	13.28
750	14.99
865	16.17
1000	17.45