The Cisco EHWIC-1GE-SFP-CU Dual Port SFP + RJ-45 Gigabit EHWIC Module is a versatile networking component designed for Cisco routers. This module provides two ports for Ethernet connections, with the ability to support both SFP and RJ-45 connectors. With a compact design and EHWIC compatibility, this product is ideal for expanding LAN connectivity and adding additional network ports to your routing system. The module's dimensions of 4.80 x 3.11 x 0.82 inches make it easy to install and accommodate in various networking setups. Never opened