https://www.theregister.co.uk/2017/11/29/gigabit_lte_real/ >While 5G suffers the usual, protracted birth pangs, unfashionable Gigabit LTE is going to be how your mobile bits are delivered for ages. >CCS Insight notes that 43 operators have either deployed Gigabit LTE already or are in trials to do so. T-Mobile says it has deployed the three key technologies needed for Gigabit LTE – 4x4 MIMO, 256 QAM and three-carrier aggregation – in 430 markets already and twice that on LTE-Advanced, the precursor. Not to be outdone, Verizon claims to have Gigabit LTE ready for 560 markets.