| Coverage |
Range (Km) |
Bandwidth (KHz) |
| Very long |
1000 |
Less than 1 |
| Long |
10 - 100 |
2 - 5 |
| Medium |
1 - 10 |
10 |
| Short |
0.1 - 1 |
20 - 50 |
| Very short |
Less than 0.1 |
More than 100 |