"Alsatis. They are an Internet Service provider and they have been commissioned to find solutions to specific areas that cannot get ADSL via a landline.
They offer 4kb download speeds and an all exclusive telephone connection (presumably VOIP) which can apparently be configured to use your existing France Telecom/Orange number.
The system works by transmitting WiFi from prominent sites in the problem area. Signals are received using a fixed antenna linked to a modem (supplied by Alsatis). WiFi within the house can then be achieved using an appropriate router."
Is this the system you have?
What model router?
I think from the above you need a "CABLE" router rather than an "ADSL" router