 Tech Trouble? Cell Tower REITs outperformed the REIT Index for the sixth-straight-year in 2020, but have dipped nearly 20 over the last quarter amid the sharp vaccine-driven REIT sector rotation. 5G Is Here. Apples successful iPhone 12 launch represents the true arrival of 5G, the much-anticipated next-generation mobile network will reach its full potential as post-pandemic mobility rates normalize. 