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Cisco 1800 Series Integrated Services Routers

Cisco 1800 Series Integrated Services Routers (ISR)

Integrated services for offices of all sizes

The award-winning 1800 Series is ideal for small to midsize businesses and branch offices. Use these routers to reduce costs. Deploy a single, resilient system for fast, secure delivery of mission-critical business services.

Ready to replace an old router?

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

Find the 1800 that’s best for you

Get product specifications so you can choose the right model for your business.

Features and benefits



Built-in security provides flexibility to deliver secure Internet and intranet access.



1800 series routers offer a wide range of interface options, VPN tunnels, and built-in switch ports.



The fixed platform models (1801, 1802, 1803, 1811, 1812) include multiple WAN interface options. They offer eight 10/100 Mbps built-in switch ports with optional Power over Ethernet (PoE) for DC power to network devices.

Modular platforms

Modular platforms

The 1841 offers T1/E1 speeds and up to four 10/100 Mbps built-in switch ports. The 1861 includes Cisco Unified Communications Manager Express or Cisco Unified Survivable Remote Site Telephony for call processing.

Product Support Services

Cisco Services can help you increase operational efficiency, lower support costs, and improve availability risk management.

Related tools

Cisco Feature Navigator

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Service Finder

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