Trendnet RB-TEW-731BR is a 5-port Gigabit Ethernet switch with PoE+ that provides power and data to connected devices over a single cable, eliminating the need for separate power supplies. It supports IEEE 802.3af/at standards and can deliver up to 30 watts of power per port. This switch is ideal for powering IP cameras, VoIP phones, and other PoE-enabled devices.