The CISCO ISR4331-SEC/K9 is an integrated services router designed to provide a secure, reliable, and flexible platform for enterprise and branch offices. This model comes with a security (SEC) license bundle, enhancing its capabilities to handle and secure internet traffic efficiently. It has three Gigabit Ethernet interfaces, two Network Interface Module (NIM) slots, and one Service Module (SM) slot. With 4GB of flash memory and 4GB of DRAM, the ISR 4331 is well-equipped for demanding applications. The security license unlocks advanced security features such as firewall, intrusion prevention, VPN, and content filtering, making it an ideal choice for organizations looking to safeguard their network infrastructure against external and internal threats. The device supports a wide range of wired and wireless connectivity options, enabling businesses to extend their network reach while maintaining robust security and performance. The Cisco ISR 4331 SEC bundle is built on the innovative multi-core architecture, ensuring high performance and efficiency as network demand increases.