Cisco 1900 Series Integrated Services Routers


Secure services-rich router for a small branch

1900 Series Integrated Services Routers (ISR) are designed to meet the application demands of today's small branches and to evolve to cloud-based services. They deliver virtualized applications and highly secure collaboration through the widest array of WAN connectivity at high performance that offers concurrent services at up to 25 Mbps.


Choose the best 1900 Series ISR for you.

Before you buy, compare this series with our newer 4000 Series ISRs. The 4000 Series ISRs provide network, compute, and built-in WAN services at up to 10 times the performance of previous-generation ISRs.

Data sheets: 1921 | 1941 | 1941W

Features and benefits


Modular design

This design allows for reuse of a broad array of existing modules that meet business requirements while making the most of investment protection.


Agile application services

Host Cisco or third-party applications on ISM modules for mission-critical apps at branch offices. Application delivery assurance services support application visibility and control, which prioritizes and optimizes all types of data, voice, and video apps.


WAN connectivity

We offer the industry's widest choices, including WLAN with 802.11a/g/n, T1/E1, T3/E3, 4G/LTE, xDSL, copper, and fiber Gigabit Ethernet


WAN optimization

Get support for router-integrated, on-demand WAN optimization and application acceleration through service modules.


Highly integrated security

We offer a comprehensive suite of VPN technology with IPSec and SSL VPNs and WLAN security support for 802.11i. Get threat defense support through firewall and IPS options, and support for encryption and cloud-based security.


High performance

The 1900 series includes powerful and energy-efficient multicore processors, a multigigabit fabric, and high-performance services modules that can run multiple concurrent services offered in a scalable manner at high throughputs.


Solve problems faster, improve operational efficiency, and reduce your risk of downtime. 


Free network inventory service

See if you have obsolete or end-of-support equipment you may want to replace.

Learn about Cisco Active Advisor

Now is the time to evolve your WAN

Read why in the ZK Research white paper. Then speed deployment with our design guide.

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