2 Gigabit ports ensure faster transmission Complies with IEEE802.3af/at standards, supplies up to 30 W Reduces infrastructure costs by transmitting data & power simultaneously via an Ethernet cable Automatically determines & supplies the exact power to meet the device's need Wall-mounting & desktop design accommodates most installation scenarios Plug & Play installation, requires no configuration Integrated power supply The Po E+ Injector TL-POE160S fully complies with IEEE 802.3af/at standards, & can work with all IEEE 802.3af/at Po E compliant PDs (Powered Devices) or Po E Receiver Adapters, such as TP-Link's TL-POE10R, or other equivalent product, to expand your network to where there are no power line or outlet, where you wish to fix device such as AP, IP Camera or IP Phone, etc.