The New CISCO HWIC-16A 16 PORT ASYNC HIGH SPEED WAN INTERFACE is a high-quality router component designed by Cisco, a trusted brand in networking. This unit features 16 serial ports with 20+4 pin connectors for efficient data transmission. It is compatible with other Cisco products and is specifically designed for enterprise networking environments. With its reliable functionality and compatibility, this WAN interface is a valuable addition to any network setup, providing fast and secure connectivity for businesses and organizations.