Since they are providing accommodation, you will be able to save around QR 5000 each month. However, you may not be able to bring your family on a permanent visa due to minimum salary requirement fixed by the government. You may be able to get your family on visit visa though but at the salary you will be drawing, it would be very difficult (almost impossible) for you to meet the costs of living here in Qatar.
Since they are providing accommodation, you will be able to save around QR 5000 each month. However, you may not be able to bring your family on a permanent visa due to minimum salary requirement fixed by the government. You may be able to get your family on visit visa though but at the salary you will be drawing, it would be very difficult (almost impossible) for you to meet the costs of living here in Qatar.