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Home Networking Router, Security, NPB Routers Cisco C1921-3G-U-SEC/K9 1900 Series ISR Router with 3G WWAN Security Bundle

Cisco C1921-3G-U-SEC/K9 1900 Series ISR Router with 3G WWAN Security Bundle

Brand:
Cisco

The Cisco C1921-3G-U-SEC/K9 is a business-class Integrated Services Router (ISR) designed for secure branch networking and remote site connectivity. Featuring integrated 3G WWAN support, dual Gigabit Ethernet interfaces, and Cisco Security Bundle licensing, it delivers reliable WAN access, VPN security, firewall protection, and business continuity for distributed enterprise environments.

OVERVIEW

  • The Cisco C1921-3G-U-SEC/K9 is a secure and flexible Cisco 1900 Series Integrated Services Router (ISR) designed for enterprise and SMB branch offices. With integrated 3G WWAN support and dual Gigabit Ethernet WAN ports, it ensures continuous connectivity, even in locations without reliable fixed-line broadband.
  • This model includes the SEC (Security) bundle, delivering built-in VPN, firewall, and encryption capabilities to protect business-critical data. Ideal for Singapore organizations, the router supports modular expansion and reliable performance for secure wired and wireless WAN deployments.

USE CASES

  • Branch Office Connectivity: Provides secure WAN access and centralized connectivity for branch offices connected to corporate networks.
  • Cellular WAN Backup: Uses integrated 3G WWAN connectivity as a backup communication path during primary WAN outages.
  • Retail Store Networking: Supports secure payment systems, inventory management, surveillance, and business applications across retail environments.

KEY FEATURES

  • Cisco 1900 Series Integrated Services Router platform
  • Integrated 3G WWAN cellular connectivity
  • Security Bundle (SEC) licensing included
  • Dual Gigabit Ethernet interfaces
  • Advanced VPN support for secure communications
  • Integrated firewall and security services
  • Business continuity through WAN failover capabilities
  • Modular architecture for deployment flexibility
  • Enterprise-grade routing and traffic management
  • Secure branch-office networking solution
  • Centralized policy and security enforcement
  • Reliable connectivity for distributed enterprises
  • Cisco IOS Software support
  • Scalable platform for growing business requirements 

TECHNICAL SPECIFICATIONS

  • Brand: Cisco
  • Model: C1921-3G-U-SEC/K9
  • Series: Cisco 1900 Integrated Services Router (ISR)
  • Product Type: Enterprise Branch Router
  • WAN Interfaces: Integrated 3G WWAN 2 × Gigabit Ethernet (GE) WAN ports
  • LAN Interfaces: 2 × Gigabit Ethernet
  • Security Features (SEC Bundle): IPSec VPN Stateful Firewall Data Encryption
  • Routing Protocols: Static, RIP, OSPF, EIGRP, BGP (license dependent)
  • Expansion Slots: HWIC / EHWIC module support
  • Voice Support: Optional (with voice modules)
  • Quality of Service (QoS): Supported
  • Management: Cisco IOS Software CLI, SNMP
  • Power Supply: External power adapter
  • Cooling: Fanless / standard ISR cooling design
  • Form Factor: Desktop / Rack-mountable

WHY CHOOSE THE MODEL?

  • Secure out-of-box deployment with included SEC bundle
  • WAN redundancy using integrated 3G WWAN
  • High-speed wired connectivity with dual GE WAN ports
  • Scalable modular design for future growth
  • Trusted Cisco 1900 ISR for mission-critical branch networks

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