Upgrade your networking capabilities with the StarTech.com 4 Port Gigabit Midspan - PoE+ Injector. This injector is compatible with desktops and cameras and has four ports for easy connectivity. It operates at a voltage of 120 Volts and supports both 802.3at and 802.3af, ensuring maximum efficiency. With its sleek black design and reliable brand name, this network switch is a must-have for any enterprise networking setup.