16 Port Fast Ethernet Unmanaged POE Switch / 非网管二层交换机 from China manufacturer - Zion Communication is a professional manufacturer of cables and accessories for signal and low voltage transmission.
NETGEAR 16-Port High-Power PoE+ Gigabit Ethernet Plus Switch (231W) with 1 SFP port - switch - 16 ports - managed - GS316EPP100NAS - Ethernet Switches - CDW.com
Amazon.com: PoE Switch with 16 POE Ports +2 Gigabit Uplink,1 x 1.25G SFP,802.3af/at PoE+ 100Mbps, 240W Built-in Power, Extend to 250Meter,Unmanaged Metal Plug and Play : Electronics