rg59 coaxial cable amplifier copper wire and steel messenger for cctv audio/video transmission
What is the specification of coaxial cable?
Nominal Dimensions | Standard | Tri-shielding | Quad-shielding |
Conductor | 0.81mm( 0.032 in) | 0.81mm( 0.032 in) | 0.81mm( 0.032 in) |
Dielectric | 3.66mm(0.144 in) | 3.66mm(0.144 in) | 3.66mm(0.144 in) |
Shielding 1 | Al /Pet foil | Bonded Al /Pet foil | Bonded Al /Pet foil |
Shielding 2 | 0.12mm*48( 40% coverage) | 0.12mm*64( 60% coverage) | 0.12mm*112( 90% coverage) |
Shielding 3 | - | Al /Pet foil | Al /Pet/Al foil |
Shielding 4 | - |
| 0.12mm*64( 60% coverage) |
Jacket | 6.1mm( 0.24 in) | 6.1mm( 0.24 in) | 6.73mm( 0.265 in) |
Messenger | 1.3mm (0.051 in) Zinc plated steel | ||
What is the Characteristic of coaxial cable?
| Sparker | 4000VAC |
| Impedance | 75+-3 Ohm |
| Capacitance | 54+-3 pF/m |
| Velocity of Propagation | 85% |
| Return Loss | 20dB min(5-2300MHz) |
What is the attenuation of caoxial cable?
Attenuation | [@68o F. (20o C.)] | |
Frequency (MHz) | Maximum (dB/100 ft.) | Maximum (dB/100 m) |
5 | 0.58 | 1.9 |
50 | 1.5 | 4.9 |
100 | 2.0 | 6.5 |
200 | 2.8 | 9.2 |
400 | 4.1 | 13.6 |
700 | 5.6 | 18.4 |
900 | 6.2 | 20.3 |
1000 | 6.5 | 21.4 |
1450 | 8.0 | 26.2 |
1800 | 8.5 | 27.9 |
2100 | 9.5 | 31.1 |
2250 | 10.0 | 34.0 |
3000 | 11.4 | 37.5 |
Main Products:
1) Electrical copper wires(rigid and flexible);
2) Communication cables (solid and stranded);
3) Coaxial cables(RG6,RG59,RG59 with power...);
4) Control cables with screens, shielding or other features;
5) Power cables armored or non-armored and with other features;
6) Telecommunication cables including data cables and telephone cables;
7) Instrument cables, particularly RUBBER cables;
8) Fiber optic cable(FTTH,GYTA,GYTS,ADSS,GYTW...)
9) Special cables of Arctic grade, Fire-resistant, Oil-resistant & according to customers' requirements.