One route for investors to gain exposure to the fast-growing 5G cell cycle is through ETFs like Defiance Next Gen Connectivity ETF (NYSE: FIVG ). About The ETF: The Defiance ETF gives investors exposure to cellular networks, satellites, cell phone tower REITs, broadband modems and fiber cables as part of a strategy to “capture the entire ecosystem” of 5G, Defiance ETFs president Paul Dellaquila told CNBC in an interview.