(Telecompaper) Oi has announced that it plans to sell its mobile unit (Oi Movel) for at least BRL 15 billion. It also aims to set up separate entities for investments, operation and maintenance of telecommunications infrastructure. In total, it expects to raise BRL 22.8 billion from the sale of the mobile division, data centres (minimum asking price BRL 325 million), towers (BRL 1 billion) and the infrastructure unit.