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Home Networking Router, Security, NPB Routers Cisco C1921-3G-S-SEC/K9 1900 Series Secure 3G WAN Router

Cisco C1921-3G-S-SEC/K9 1900 Series Secure 3G WAN Router

Brand:
Cisco

The Cisco C1921-3G-S-SEC/K9 is a business-class Integrated Services Router designed for secure branch connectivity using 3G wireless WAN and Gigabit Ethernet networking. Built for organizations requiring reliable backup connectivity, VPN security, and scalable WAN deployment, it combines Cisco's proven ISR architecture with advanced security capabilities for distributed enterprise environments.

OVERVIEW

  • The Cisco C1921-3G-S-SEC/K9 is a robust Cisco 1900 Series Integrated Services Router (ISR) designed for secure and flexible branch connectivity. With integrated 3G wireless WAN and 2× Gigabit Ethernet WAN interfaces, it ensures reliable connectivity even in locations without fixed broadband access.
  • This model includes the SEC (Security) bundle, providing built-in VPN, firewall, and encryption services to protect business-critical data. Ideal for Singapore SMBs and enterprise branch offices, the router supports modular expansion, enabling future upgrades for voice, WAN, or additional services.

USE CASES

  • Branch Office Connectivity: Provide secure and consistent WAN access for branch locations requiring reliable network communications.
  • Wireless WAN Backup: Maintain business operations with 3G wireless connectivity when primary wired WAN services become unavailable.
  • Retail Network Infrastructure: Support point-of-sale systems, inventory applications, and business-critical communications across retail environments.

KEY FEATURES

  • Integrated Cisco Security Bundle capabilities
  • 3G Wireless WAN connectivity support
  • Dual Gigabit Ethernet WAN/LAN interfaces
  • Advanced VPN and encrypted communications
  • Cisco IOS Software functionality
  • Business-class branch networking architecture
  • Flexible WAN deployment options
  • Secure remote site connectivity
  • Scalable enterprise networking platform
  • Centralized network management support
  • High availability and failover readiness
  • Energy-efficient hardware design
  • Support for multiple business applications
  • Reliable performance for distributed environments 

TECHNICAL SPECIFICATIONS

  • Brand: Cisco
  • Model: C1921-3G-S-SEC/K9
  • Series: Cisco 1900 Integrated Services Router (ISR)
  • Product Type: Enterprise Branch Router
  • WAN Interfaces: Integrated 3G Wireless WAN 2 × Gigabit Ethernet (GE) WAN ports
  • LAN Interfaces: 2 × Gigabit Ethernet
  • Security Features (SEC Bundle): IPSec VPN Stateful Firewall 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 design
  • Form Factor: Desktop / Rack-mountable
  • Deployment Use Case: SMB & Enterprise branch offices
  • Operating Environment: Indoor office environments

WHY CHOOSE THE MODEL?

  • Secure out-of-box deployment with included SEC bundle
  • Reliable WAN redundancy using integrated 3G wireless
  • High-speed connectivity via dual Gigabit Ethernet WAN ports
  • Scalable and future-ready modular design
  • Trusted Cisco 1900 ISR platform for mission-critical branch networks

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