The Cisco IR1821-K9 is a member of the Cisco IR1800 Rugged Routers series. This router integrates 5G and Wi-Fi 6 technologies to enable the digital transformation of your mobile edge. It offers superior performance, improved security features, and versatility to facilitate digitization at the edge. The IR1800 model's modular design allows for the incorporation of new technologies, safeguarding your networking investments. It is equipped with 4GB RAM, 4x GE LAN ports, 1x Combo RJ-45/SFP GE WAN
| Cellular | 5G NR Sub‑6 (LTE Cat 20 fallback), dual SIM |
| Ethernet | Up to 5x 10/100/1000 (model dependent) |
| Wi‑Fi | 802.11ax (Wi‑Fi 6) 2x2 |
| Operating temperature | −40 to +70 °C (fanless) |
| Power input | 9–57 VDC |
| OS/SD‑WAN | Cisco IOS XE with Catalyst SD‑WAN |
| Optical WAN | 1x 1G SFP (model dependent) |
| GNSS | GPS/GLONASS/Galileo/BeiDou |
| Interfaces | USB, DI/DO, serial (SKU dependent) |
| VPN performance | Up to ~200 Mbps IPsec (profile dependent) |
| Security | Trust Anchor, TPM 2.0, Secure Boot, FIPS options |
| Ingress/EMC | IP30; industrial EMC/EMI compliance |
| Management | vManage, DNA Center, WebUI, CLI, SNMP |
| Certifications | FCC/IC/CE; PTCRB/GCF (cellular) |
| Mounting | DIN‑rail/wall; optional rack shelf |
| Dimensions/weight | ≈50 x 190 x 150 mm; ≈1.4 kg |
Yes, the Cisco IR1821-K9 Router is currently in stock and available for immediate shipment from our Boulder, CO warehouse. Same-day shipping on orders placed before 2pm MT.
This IR1821-K9 is professionally refurbished or new-surplus enterprise hardware. Every unit is fully tested, factory-reset, and inspected before shipping. Cosmetic blemishes (rack marks, minor scuffs) may be present but never affect functionality.
The IR1821-K9 comes with the Eldo Systems Lifetime Warranty covering hardware defects. We are an independent reseller — manufacturer warranties do not apply, but our lifetime coverage matches or exceeds typical OEM terms.
Free ground shipping on every order, included in the price. Orders ship same-day if placed before 2pm MT (Mon–Fri). Expedited overnight and 2-day options are available at checkout for urgent deployments.
Yes — we ship worldwide. International orders are quoted individually so we can present accurate freight, duties, and lead time. Use the Request a Quote form or call (484) 630-1533 to start.
Absolutely. We offer volume discounts and project pricing for resellers, integrators, and end-users buying in quantity. Submit a quote with your target quantity and our team will respond within 15 minutes during business hours.
Get the IR1821-K9 from Eldo Systems with lifetime warranty and free ground shipping.
Independent Reseller Notice: Eldo Systems is an independent reseller of refurbished and new-surplus enterprise networking equipment. We are not affiliated with, authorized by, or endorsed by Cisco, Juniper, Arista, HPE, Dell, Meraki, Fortinet, Mellanox, NVIDIA, Finisar, or any other manufacturer listed on this site. All product names, logos, and brands are property of their respective owners. All products sold are refurbished or new-surplus unless otherwise noted. Manufacturer warranties do not apply; all items are covered by the Eldo Systems Lifetime Warranty.
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