48-Port Managed Gigabit Ethernet Switch | Linksys | Linksys: US
Amazon.com: VIMIN 4 Port Gigabit PoE Switch with 1 Uplink Gigabit Ports, 5 Port Unmanaged Ethernet PoE Switch with 72W Power, Support IEEE802.3af/at, VLAN, Metal Housing, Desktop or Wall-Mount, Plug & Play :
24-Port Gigabit Switch with 4 x 10Gb SFP+ Uplinks, S3900-24T4S - FS.com
IVC-234GT 1-Port BNC/RJ11 to 4-Port Gigabit Ethernet Extender - Planet Technology USA