enlarge/ that isn't a 5g base station; it's actually a dish for bouncing morse code to the moon, back in 1964.keystone/hulton archive/getty imagesshare this storythe total download capacity for a single 5g cell must be at least 20gbps, the international telcommunication union (itu) has decided. in contrast, the peak data rate for current lte cells is about 1gbps. the incoming 5g standard must also support up to 1 million connected devices per square kilometre, and the standard will require carriers to have at least 100mhz of free spectrum, scaling up to 1ghz where feasible.these requirements come from the itu's draft report on the technical requirements for imt-2020 (aka 5g) radio interfaces, which was published thursday. the document is technically just a draft at this point, but that's underselling its significance: it will likely be approved and finalised in november this year, at which point work begins in earnest on building 5g tech.i'll pick out a few of the more interestin...