Thanks Jupitor for your response.
If it was around 5mb for my ADSL, I would be pretty happy.
Folowing is my exchange details (estimated cable is less than 2 km):
| Line of Sight: | 1130 m |
| Estimated Cable: | 1752 m |
| Estimated Attenuation: | 25 |
| Estimated Maximum Speed: | 15666 |