The Network Access License (NAL) is a compulsory requirement for telecommunication equipment to be connected to the public telecommunication networks in China. The NAL applies to telecom terminal equipment, radio transmission equipment and equipment used in network interconnection, such as phones, faxes, routers, etc. All the products captured by the NAL catalogue are subject to this state-implemented license system that requires testing of equipment at a designated laboratory in China, trial testing in China and factory inspection.