As an alternative to using regular Ethernet or Wi-Fi to connect more devices to a home network, try the high-speed ZyXel PLA4205 power line adapter.
ZyXEL Powerline AV 500 Mbps Wall-Plug Adapter Starter Kit with 2 Units (PLA4215KIT) : Electronics
Powerline Zyxel Networks
【Fast Powerline Speeds】Data transfer speeds of up to 1200 Mbps over existing electrical wiring for seamless streaming, gaming, and downloading
Zyxel AV1300 Powerline Ethernet Adapter Starter Kit | Plug & Play | MIMO | HomePlug AV2 | GbE | Faster than AV1000 and AV1200 | Ideal for Smart TVs
ZyXel Homeplug AV2 Gigabit Powerline Adapter Starter Kit (PLA5206KIT) review: A super-fast alternative to Wi-Fi and Ethernet - CNET
ZyXEL PLA5405 1200 Mbps Powerline Gigabit Ethernet Adapter Reviewed - SmallNetBuilder
ZyXEL PLA5405 1200 Mbps Powerline Gigabit Ethernet Adapter Reviewed - SmallNetBuilder
Top five power line adapters: When Wi-Fi fails you - CNET
ZyXEL PLA5405 1200 Mbps Powerline Gigabit Ethernet Adapter Reviewed - SmallNetBuilder
Zyxel AV1300 Powerline Ethernet Adapter Starter Kit, Plug & Play, MIMO, HomePlug AV2, GbE, Faster than AV1000 and AV1200
ZyXEL Powerline AV 500 Mbps Wall-Plug Adapter Starter Kit with 2 Units (PLA4215KIT) : Electronics
ZyXEL PLA5405 1200 Mbps Powerline Gigabit Ethernet Adapter Reviewed - SmallNetBuilder