The Cisco IR1831-K9 is a member of the Cisco IR1800 Rugged Routers series. These advanced 5G routers have a modular structure and support private LTE, FirstNet, Wi-Fi6, and Gigabit Ethernet. They are specifically designed for mobile and remote applications across various industries. This product is equipped with 4GB RAM, 4x GE LAN ports, 1x Combo RJ-45/SFP GE WAN port, 1x USB console and 2x pluggable slots.
| Cellular | 5G NR Sub‑6 or LTE‑A Pro (module/SKU dependent) |
| Ethernet | 2–4x 10/100/1000 (model dependent) |
| Wi‑Fi | 802.11ax (Wi‑Fi 6) 2x2 |
| Ruggedization | −40 to +70 °C; fanless; IP30 |
| Power input | 9–57 VDC |
| SD‑WAN | Cisco IOS XE with Catalyst SD‑WAN |
| GNSS | Multi‑constellation with PPS output |
| Serial/DIO | RS‑232/RS‑485; digital inputs/outputs (SKU dependent) |
| VPN | IPsec/DMVPN/FlexVPN with HW crypto |
| VPN throughput | Up to ~200 Mbps (profile dependent) |
| Security | TPM 2.0, Trust Anchor, image signing, Secure Boot |
| Mounting | DIN‑rail and wall mount kits |
| Management | vManage, DNA Center, WebUI, CLI, SNMPv2c/v3 |
| EMC/Shock | IEC 60068‑2 shock/vibration; industrial EMC compliance |
| Enclosure | Rugged IP30 metal, convection‑cooled |
| Dimensions/weight | ≈52 x 190 x 150 mm; ≈1.5 kg |
Yes, the Cisco IR1831-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 IR1831-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 IR1831-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 IR1831-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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