The Ericsson massive MIMO diet yields 12kg radio

Weight is the fashionable differentiator in the kit vendor world these days and Ericsson has raised the stakes with its latest lean-and-mean radio.
We never really used to bang on about weight but with many of the supposed benefits of 5G requiring ‘massive MIMO’ radios containing loads of antennas, finding a way of making them as light as possible has obsessed the boffins in many a telecoms kit vendor lab. Getting a radio unit under 20kg was considered a big deal a year ago, but Eric