In Industry news, Krungthep Turakij reported TOT Plc expects to earn revenue of at least 800 million baht a year from its network rental service once the state telecom enters a partnership with mobile leader Advanced Info Service (AIS). TOT wants to rent out the existing unused 5-megahertz bandwidth of its 2100-MHz spectrum to AIS for the purpose of a fourth-generation (4G) trial in Bangkok.