IR1821-K9
Cisco Catalyst IR1821 Rugged Router
The Cisco Catalyst IR1821-K9 is a compact, ruggedized 4G LTE and Wi-Fi 6 router designed for secure connectivity in mobile fleet vehicles, outdoor industrial assets, roadside infrastructure and other remote deployments.
IR1821-K9 Overview
The Cisco Catalyst IR1821-K9 is a rugged, compact router designed for mobile and remote deployments. It provides secure, reliable connectivity over 4G LTE and Wi-Fi 6 for assets on the move and stationary outdoor environments.
With its ruggedized form factor, modular capabilities, and advanced routing features, the Cisco IR1821-K9 enables always-on connectivity for fleet vehicles, first responders, outdoor industrial assets, roadside infrastructure, and more. It is targeted at basic connectivity use cases requiring a single cellular modem.
The IR1821-K9 runs the Cisco IOS XE operating system, delivering enterprise-class security, Quality of Service, routing protocols, and management capabilities. Its hardened enclosure allows deployment in harsh environments like extreme temperatures, shock, and vibration.
Quick Specifications
| Feature | Specification |
|---|---|
| Processor | Quad-core ARM Cortex A53, 1.5GHz |
| Memory | 4GB DRAM, 4GB Flash |
| Interfaces | 1x Cellular, 1x Wi-Fi, 4x Gigabit Ethernet, 1x WAN, 1x Console |
| Dimensions | 55.9 x 280.4 x 204.7 mm |
| Weight | 2.4 kg |
| Power | 9-36V DC, Max 27W |
| Operating Temp | -40°C to 60°C |
| Ingress Protection | IP40 |
| Certifications | Automotive, Hazardous Locations |
IR1821-K9 Details and Highlights
Compact and Rugged Design
- Hardened enclosure for shock, vibration, extreme temps
- DIN rail and panel mounting options
- Automotive certifications for fleet vehicles
Modular Expandability
- 1x pluggable cellular modem slot (LTE Cat 4, 6, 18)
- 1x pluggable Wi-Fi 6 radio slot
- External antenna ports
Advanced Routing and Management
- Cisco IOS XE operating system
- Enterprise routing protocols, QoS, security
- Managed via CLI, WebUI, Cisco DNA, Dashboard
Applications
- Mobile fleet connectivity
- First responder vehicles
- Roadside infrastructure
- Outdoor industrial assets
Comparison to Similar Models
| Feature | IR1821-K9 | IR1831-K9 | IR1833-K9 | IR1835-K9 |
|---|---|---|---|---|
| Cellular Slots | 1 | 2 | 2 | 2 |
| Wi-Fi Slots | 1 | 1 | 1 | 1 |
| SSD Slot | No | No | Yes | Yes |
| Serial Ports | 1x RS-232 | 2x RS-232 | 2x RS-232 | 1x RS-232, 1x RS-232/485 |
| Digital I/O | No | No | No | 4x ports |
| PoE/PoE+ | No | No | No | Yes |
| GNSS Slot | No | No | Yes | Yes |
IR1821-K9 Full Specifications
| Category | Specification |
|---|---|
| Processor | Quad-core ARM Cortex A53, 1.5GHz |
| Memory | 4GB DRAM, 4GB Flash |
| Cellular Slots | 1x modular LTE slot |
| Wi-Fi Slots | 1x modular Wi-Fi 6 slot |
| Wired Interfaces | 4x Gigabit Ethernet, 1x Combo Gigabit WAN, 1x Console |
| Wireless Interfaces | 802.11ax Wi-Fi, LTE 4G |
| Serial Interfaces | 1x RS-232 |
| Power Input | 9-36V DC, Max 27W |
| Power Methods | DC Jack, OBD-II |
| Dimensions | 55.9 x 280.4 x 204.7 mm |
| Weight | 2.4 kg |
| Operating Temp | -40°C to 60°C |
| Ingress Protection | IP40 |
| Mounting | DIN Rail, Panel Mount |
| Certifications | Automotive, Hazardous Locations |
| Operating System | Cisco IOS XE |
| Protocols | Routing, QoS, Security, VPN |
| Management | CLI, WebUI, Cisco DNA, Dashboard |
Supported Modules and Accessories
| Category | Options |
|---|---|
| Cellular Modules | P-LTE-MNA, P-LTE-US, P-LTE-VZ, P-LTE-GB, P-LTE-IN, P-LTE-JN |
| Wi-Fi Modules | WP-WIFI6 |
| Antennas | Omnidirectional, sector, MIMO, combination |
| Cables | Antenna cables, adapters |
| Power | DC power supplies, OBD-II cables |
| Mounting | DIN rail kit, brackets |
| Other | Console cables, lightning arrestors, IP54 kit |
IR1821-K9 Licensing
- Cisco Smart Licensing enables software license management
- Network Essentials or Network Advantage feature licenses
- Performance and capacity upgrade licenses available
Installation and Deployment
- Wall, pole, DIN rail mounting options
- External antennas connect via RF cables
- Power over wired DC jack or OBD-II
- Modular LTE and Wi-Fi modules click in place
- Managed via CLI, WebUI, DNA, Dashboard
- Cellular carrier SIM card provisioning
Compliance and Safety
- Automotive E-Mark, vehicle hazloc certified
- Railway EN50155 compliant (with M12 kit)
- IEC 62368-1 safety certified
- EMC emissions compliant for industrial environments
Warranty and Support
- 5 year limited hardware warranty
- Software maintenance via:
- Cisco Smart Net Total Care – for continuous support, updates
- Cisco Smart Foundation Service – for basic hardware coverage
IR1821-K9 End of Life Policy
- EOL policy governs availability of services, hardware and software
- Minimum 5 years of service life
- 6 months end-of-life announcement
- Options to upgrade, migrate, substitute
- More details at Cisco EOL Policy
Brand
Cisco Systems
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