T-Mobile expects to have its merger with Sprint completed during the first half of 2019.
The company said the U.S. Department of Justice, Department of Homeland Security, and Department of Defense (collectively referred to as Team Telecom) also confirmed that it has no objections to the merger.
"And that's where some of the main critics of the Sprint and T-Mobile merger are focusing". The US ordered the arrest amid the belief that the company is being used by the Chinese government to spy on US customers.
"The CFIUS review took place while a host of other USA officials waged a separate campaign to persuade allies to cut ties with China's Huawei Technologies Co., which works with Deutsche Telekom and Softbank overseas".
"We are pleased to achieve both of these important milestones in the journey to build the New T-Mobile", CEO John Legere said in a statement.
Aside from competition issues, the proposed merger has raised eyebrows in the U.S. because Chinese telecom giant Huawei - which Washington accuses of using its products for espionage - has trade ties with both Germany's Deutsche Telekom, T-Mobile's parent company, and Japan's SoftBank, which owns Sprint.
The U.S. intelligence community claims Huawei is a threat due to alleged but unproven concerns of Chinese espionage. However, regulatory approval adds a lot of weight in favor of the deal.
Reuters reported earlier on the timing of the approval and said U.S. officials were pressuring Deutsche Telekom to stop using equipment made by Huawei.
At the same time, Washington appears to be increasing its scrutiny of Huawei in other departments, as evidenced by the early December arrest of the company's Chief Financial Officer Meng Wanzhou in Vancouver which was requested by the stateside Department of Justice, sparking a diplomatic incident and further escalating political tensions between the USA and China.