| |
|
|
 |
       |
 |
Cable comparative table |
 |
 |
| Item/Cable |
Optical Cable |
Coaxial Cable |
UTP Cable |
| Transfer speed |
Super excellent |
Excellent |
Excellent |
| Image transmission distance |
About 100 km |
About 2Km |
About 2Km |
| Image quality / Distance |
Most excellent |
Normal |
Excellent |
| System expense / Distance |
High |
High |
Low |
| Exclusive use transmission equipment |
High |
Low |
Low |
| Characteristic impedance |
X |
75Ω |
100Ω |
| Cable expense |
High |
Low |
Low |
| Cable pliability |
Bad |
Normal |
Excellent |
| Installation workability |
Bad |
Excellent |
Super excellent |
| Maintenance expense |
Bad |
Excellent |
Super excellent |
| Engineer adaptability |
Bad |
Normal |
Normal |
| Tool expense for installation |
Vary high |
Low |
Low |
| System applicability |
Normal |
Super excellent |
Super excellent |
|
 |
|
Coaxial Cable Attenuation Ratings |
|
The loss table base on the temperature 20°C(68°F) and per 100 Meter testing environment.
|
| Frequency |
Cable Type |
| MHZ |
4C |
5C |
7C |
RG-59 |
RG-6 |
RG-11 |
0.412 |
0.500 |
0.625 |
0.750 |
0.875 |
1.000 |
| 5 |
2.72 |
2.06 |
1.31 |
2.66 |
1.97 |
1.25 |
0.66 |
0.52 |
0.43 |
0.36 |
0.30 |
0.26 |
| 30 |
5.02 |
3.81 |
2.43 |
4.76 |
3.64 |
2.30 |
1.64 |
1.31 |
1.12 |
0.89 |
0.79 |
0.69 |
| 50 |
6.00 |
4.56 |
2.90 |
5.84 |
4.33 |
2.85 |
2.10 |
1.71 |
1.14 |
1.15 |
1.05 |
0.89 |
| 110 |
8.52 |
6.82 |
4.60 |
8.25 |
6.63 |
4.47 |
3.18 |
2.49 |
2.17 |
1.54 |
1.54 |
1.44 |
| 174 |
10.82 |
8.23 |
5.86 |
10.2 |
7.96 |
5.03 |
4.00 |
3.22 |
2.72 |
2.20 |
1.94 |
1.90 |
| 220 |
12.13 |
9.71 |
6.52 |
11.66 |
9.38 |
6.19 |
4.49 |
3.64 |
3.08 |
2.49 |
2.20 |
2.02 |
| 240 |
12.66 |
10.01 |
6.76 |
12.1 |
9.61 |
6.43 |
4.51 |
3.84 |
3.20 |
2.59 |
2.32 |
2.07 |
| 270 |
13.42 |
10.73 |
7.18 |
12.8 |
10.26 |
6.87 |
4.55 |
4.07 |
3.44 |
2.76 |
2.46 |
2.20 |
| 300 |
14.17 |
11.35 |
7.58 |
13.5 |
10.79 |
7.22 |
5.35 |
4.30 |
3.61 |
2.92 |
2.59 |
2.36 |
| 325 |
14.73 |
11.81 |
7.91 |
14.1 |
11.25 |
7.51 |
5.38 |
4.49 |
3.74 |
3.05 |
2.82 |
2.46 |
| 350 |
15.29 |
12.27 |
8.23 |
14.7 |
11.73 |
7.83 |
5.84 |
4.69 |
3.94 |
3.18 |
2.82 |
2.56 |
| 375 |
15.85 |
12.70 |
8.53 |
15.3 |
12.18 |
8.19 |
6.09 |
4.86 |
4.03 |
3.30 |
2.90 |
2.66 |
| 400 |
16.37 |
13.12 |
8.83 |
15.8 |
12.50 |
8.40 |
6.23 |
5.02 |
4.20 |
3.44 |
2.99 |
2.76 |
| 450 |
17.36 |
13.94 |
9.38 |
16.8 |
13.25 |
8.95 |
6.73 |
5.35 |
4.43 |
3.67 |
3.22 |
2.95 |
| 500 |
18.31 |
14.73 |
9.34 |
17.8 |
14.01 |
9.45 |
7.10 |
5.68 |
4.69 |
3.87 |
3.98 |
3.15 |
| 550 |
19.23 |
15.49 |
10.47 |
18.8 |
14.73 |
9.94 |
7.49 |
5.97 |
4.92 |
4.10 |
3.54 |
3.31 |
| 600 |
20.08 |
16.17 |
10.96 |
19.7 |
15.38 |
10.43 |
7.89 |
6.27 |
5.03 |
4.30 |
3.64 |
3.48 |
| 650 |
21.11 |
16.62 |
11.26 |
20.6 |
15.96 |
10.74 |
8.30 |
6.53 |
5.24 |
4.9 |
3.78 |
3.64 |
| 700 |
21.93 |
17.10 |
12.23 |
21.4 |
16.14 |
11.08 |
8.75 |
6.82 |
5.46 |
4.69 |
3.91 |
3.81 |
| 750 |
22.72 |
17.58 |
13.14 |
22.2 |
17.29 |
11.35 |
9.18 |
7.09 |
5.68 |
4.86 |
4.05 |
3.97 |
| 800 |
23.65 |
18.06 |
14.16 |
23.1 |
17.91 |
11.81 |
9.69 |
7.35 |
5.89 |
5.05 |
4.21 |
4.13 |
| 862 |
24.56 |
18.58 |
15.49 |
24.0 |
18.56 |
12.32 |
10.23 |
7.64 |
6.15 |
5.25 |
4.45 |
4.33 |
| 900 |
25.11 |
19.14 |
16.24 |
24.6 |
19.08 |
12.65 |
10.77 |
7.84 |
6.35 |
5.38 |
4.58 |
4.43 |
| 950 |
25.94 |
19.69 |
17.05 |
14.4 |
19.62 |
12.99 |
11.32 |
8.07 |
6.56 |
5.54 |
4.71 |
4.59 |
| 1000 |
26.69 |
20.22 |
18.36 |
26.1 |
20.04 |
13.48 |
11.94 |
8.30 |
6.70 |
5.71 |
4.82 |
4.72 |
| Ω/ Meter |
- |
- |
- |
15.8Ω |
10.0Ω |
3.97Ω |
5.74Ω |
4.04Ω |
2.59Ω |
1.84Ω |
1.35Ω |
0.95Ω |
|
|
|
 |
|
 |
|
