https://www.reuters.com/article/us-usa-trump-5g-fcc/u-s-fcc-chief-says-he-would-oppose-federal-5g-network-idUSKBN1FI1T2 >The head of the U.S. Federal Communications Commission on Monday said he would oppose a federal government move to build and run a national, super-fast 5G wireless network, calling any such effort "costly and counterproductive."