The POE-SW502 is an unmanaged 6-Port Power over Ethernet Switch with a total of 60 watts of PoE power. All ports run at 10/100Mbps and can provide up to 30W per port through the IEEE 802. 3at standard, as well as up to 60W on port 1 through Hi-PoE. It has two Ethernet uplink ports to allow for communication without sacrificing any PoE ports. It also features an ?extend? switch to allow for PoE transmission of up to 820ft (which reduces data transmission to 10Mbps). Specifications: Ports: 2*10/100Mbps Uplink ports, 4*10/100 Mbps PoE ports PoE Power: Port 1 ?60W, Port 2-4 ?30W, Tota l?60W PoE Protocol: IEEE802. 3af (PoE), IEEE802. 3at (PoE+), Hi-PoE Switching Capabity: 1. 8G Packet Forwarding Rate: 890kpps Packet Buffer Memory: 768Kb MAC Table Size: 2K Flow Control: Enabled Humidity: 10 - 90% Power: DC48-57V Lightning Protection: Common Mode 2KV; Differential Mode 0. 5KV Operating Temperature: 14F - 131F (-10C - 55C) Weight: 0. 66lb (300g) Dimensions (W x D x H): 5. 12in x 3. 35in x 1. 02in (130mm x 85mm x 26mm)All products sold by PoE Depot come with a 100% Satisfaction - we offer a 30-day money-back , as well as a 1 year that covers replacement for free.