The Department for Culture, Media and Sport (DCMS) has released further information regarding its Mobile Infrastructure Project (MIP).
The government has released an online tender for a single vendor, which aims to extend mobile coverage to 60,000 homes and businesses in rural parts of the UK.
The project aims to deliver the coverage to areas that have been ignored by market driven private investment, due to a lack of business opportunities.
The contract is estimated to be worth up to £200 million.
The MIP was first announced in released in the latest budget, which stated that the plans were being executed "support technological innovation and help the digital, creative and other high technology industries".
Suppliers have until the end of May to register their interest.