Upgrade your network infrastructure with the Cisco HWIC-1T V03, a reliable 1-Port Serial WAN Interface Card Module. Designed for high performance and compatibility, this model is a perfect addition to your Cisco lineup, ensuring seamless integration and enhanced functionality. The HWIC-1T is engineered to deliver exceptional network connectivity and is ideal for a variety of applications. With the included MPN 73-13315-01, you can trust in the quality and authenticity of your purchase, providing you with a secure and efficient network solution.