AirLink101 AGSW501 5-Port Gigabit 10/100/1000Mbps Ethernet Switch for $12.99 shipped after coupon code MLC0811N.  Here is a screenshot for your reference.  This is a gigabit Ethernet switch that goes up to 1000Mbps and not the typical 100Mbps switch.  Most comparable gigabit ethernet switches are typically over $20.