4 Port Fast Ethernet Unmanaged POE Switch DS-3E0105P-E/M(B)

4 x 10/100 Mbps PoE ports and 1 x 10/100 Mbps uplink ethernet port IEEE 802.3 af & at high PoE power supply Maximum 250 m long distance PoE transmission VIP port transmission priority Safe and reliable using 6 KV high surge protection Supports store-and-forward Supports MAC address auto learning and auto aging Supports smart cache optimization Supports desktop / wall mounting.