A bidder wears a tie depicting a ringing mobile phone prior to the start of Germany’s auction for the construction of an ultra-fast 5G mobile network on March 19, 2019 at the German Federal Network Agency (BNA, Bundesnetzagentur) in Mainz, western Germany. – Germany launched the action as a transatlantic dispute rages over security concerns surrounding giant Chinese telecoms equipment maker Huawei. ‘5G’ — ‘fifth generation’ — is the latest, high-speed generation of cellular mobile communications and Berlin will require winning bidders to offer 5G service to at least 98 percent of German households and along motorways and rail lines. (Photo by Arne Dedert / dpa / AFP) / Germany OUT (Photo credit should read ARNE DEDERT/DPA/AFP via Getty Images)