Linkedin:U.S. Ends Probe Into Wireless Carriers’ Influence on Rules for Switching Providers > Grand-tek News > Linkedin:U.S. Ends Probe Into Wireless Carriers’ Influence on Rules for Switching Providers > Grand-tek News > Grand-tek News Check our linkedin for the latest wireless industry news. U.S. Ends Probe Into Wireless Carriers’ Influence on Rules for Switching Providers For more information, please click here.