The links will be via both wireless and fixed-line broadband access points.
The spending will also cover the roll-out of such access in key locations such as hospitals and the improvement of the service quality and connection speed of the current coverage in 27,000 villages.
The ICT Ministry will contribute Bt20 billion to the project, which will be allocated from the Bt80.78 billion total upfront fees paid by the winners of the 1,800-megahertz licence auction last November.