Telefónica Deutschland and Quantenna Communications, Inc. announced the release of a new generation of O2 HomeBox 2 in Germany. The new device based on Quantenna 4x4 802.11ac Wave 2 QSR1000 chipset, offers superior speed, range, efficiency and reliability to the ever-increasing connected devices in the home network. Its MU-MIMO support will further contribute to the increase of wireless home network capacity.