Combined wireless modem/routers should work out of the box.
Advantage is you just have 1 unit rather than 2.
All you need to know is your username and password.

Or you can buy a wireless access point and connect it to the Qtel Alcatel modem/router (which is a reasonable one).

Don't waste money on N series wifi, get G type.
You can buy them at Carrefour or Virgin. Or Sofitel if you are keen.

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Someone's had too much to think!