AdvertisementU.S. Warns Germany: Using Huawei Could Crimp Intelligence-Sharing Between AgenciesMarch 12, 2019Bill ChappellfacebookEmailThe U.S. has warned Germany about possible repercussions of using Huawei in its upcoming 5G mobile network, citing security concerns. Here, a billboard for the Chinese telecom giant is seen in the Berlin Hauptbahnhof railway station. (Getty Images)