https://www.theregister.co.uk/2019/03/06/5g_is_ready_one_you_redefine_ready_then_redefine_reality/

Analysis If the industry had one job at Mobile World Congress last week, it was to tell the world that 5G – the biggest thing since "electricity or the automobile", according to Qualcomm's CEO* – was almost upon us.

But the reality on the ground in Barcelona only emphasised how far away it remains, practically, for most of us. From network deployments to handset readiness, the word that doesn't spring to mind is "imminent". Unless your hobby is testing networking kit, it's not going to be worthy of your attention until the second half of 2020.