Deco P9 combines dual-band Wi-Fi & powerline to establish a stronger mesh network. Powerline technology uses your homes electrical wiring to create stronger connections between Deco units, reducing the impact of walls & other obstacles on signal & providing even faster network speeds & truly seamless coverage. The hybrid whole-home system delivers extended coverage up to 6, 000 ft 2/560 m 2 with the help of the combination of dual-band Wi-Fi & powerline. Eliminate weak signal areas with whole-home Wi-Fi & no more searching around for a stable connection. TP-Link Mesh means Deco units work together to form one unified network. Your phone or tablet automatically connects to the fastest Deco as you move through your home, creating a truly seamless Wi-Fi experience. Mesh Wi-Fi + powerline:signal through walls Deco P9 combines dual-band Wi-Fi & powerline to establish a stronger mesh network. Powerline technology uses your homes electrical wiring to create stronger connections between Deco units, reducing the impact of walls & other obstacles on signal & providing even faster network speeds & truly seamless coverage. Dead-zone killer The hybrid whole-home system delivers extended coverage up to 6, 000 ft 2/560 m 2 with the help of the combination of dual-band Wi-Fi & powerline. Eliminate weak signal areas with whole-home Wi-Fi & no more searching around for a stable connection. Seamless roaming with one Wi-Fi name TP-Link Mesh means Deco units work together to form one unified network. Your phone or tablet automatically connects to the fastest Deco as you move through your home, creating a truly seamless Wi-Fi experience.