Good quality security Camera Accessories is paramount for successful installation of a security camera system. PoE switches are network switches or hubs that not only transmit network data, but also supply power to connected devices. BNC Connectors or BNC video ends is very important for successful completion of any CCTV installation. be sure to purchase cabling from a trusted supplier like Eyematic World. We carry quality tested cable to ensure that each of our cabling products allows compatible security cameras to perform at their optimum level.