Buy.com offers the ZyXEL Powerline AV 4-Port Gigabit Ethernet Switch bundled with two ZyXEL Powerline AV Gigabit Adapters for $147.99 with free shipping. That's $23 below the lowest total price we could find for these items if purchased separately elsewhere. These adapters plug into wall power outlets to expand your home network without having to run Ethernet cables through your walls / across your floors / over your furniture / under your pets. They support up to 500Mbps data transfer rates.