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.
TRENDnet TEG-S16DG Unmanaged Desktop Gigabit GREENnet Switch 10/100/1000Mbps 16 x RJ45 8K MAC Address Table - Newegg.com