The D - Link Industrial Gigabit Unmanaged Switch (DIS - 100G - 5W) is designed for high - performance networking in demanding environments. With 5 Gigabit Ethernet ports, this switch supports Layer 2 features, making it ideal for various applications including smart cities and surveillance systems. Its rugged design ensures reliability in extreme conditions, while the desktop, DIN rail, and wall mountable options provide versatile installation choices. The unmanaged nature of the switch allows for quick and easy setup without the need for configuration, making it a cost - effective solution for home, office, or small business networking needs.