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Cablu coaxial RG7
| Dimensiuni fizice pentru cablu coaxial RG7 |
| Componente |
Invelis Standard (Dia.mm) |
Invelis Triplu (Dia.mm) |
Patru Invelisuri (Dia.mm) |
| Conductor Interior |
1.29 |
1.29 |
1.29 |
| Dielectric |
5.72 |
5.72 |
5.72 |
| Primul Invelis |
5.90 |
5.90 |
5.90 |
| Invelis Exterior |
8.10 |
8.20 |
8.64 |
| Sufa Otelita |
Simplu |
1.83 |
1.83 |
1.83 |
| Dublu |
2.77 |
2.77 |
2.77 |
| Caracteristici mecanice pentru cablu coaxial RG7 |
| Puterea minima de rupere a sufei |
Dia. 1.83mm 166kgf |
| Dia. 2.77mm 818kgf |
| Caracteristici electrice pentru cablu coaxial RG7 |
| Impedanta |
75 ohm |
| Eficacitatea Invelisului (Ydb) |
55MHz |
68 |
| 300MHz |
70 |
| 1000MHz |
70 |
| SRL(Ydb) |
VHF |
20 |
| UHF |
20 |
| Atenuare (20°C, db/100m) pentru cablu coaxial RG7 |
| 55MHz |
4.1 |
| 211 MHz |
7.7 |
| 270 MHz |
8.8 |
| 300 MHz |
9.1 |
| 330 MHz |
9.8 |
| 400 MHz |
10.8 |
| 450 MHz |
11.5 |
| 550 MHz |
12.8 |
| 750 MHz |
15.2 |
| 870 MHz |
16.5 |
| 1000 MHz |
17.8 |
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