Cisco 819G 4G LTE M2M Gateway Integrated Services Router — C819G-4G-NA-K9

The Cisco C819G-4G-NA-K9 is a 4G LTE M2M (Machine-to-Machine) gateway integrated services router designed for North American cellular deployments. Combining 4G LTE cellular WAN connectivity with Cisco IOS routing, security, and VPN capabilities in a compact form factor, it enables reliable cellular-primary or cellular-backup WAN connectivity for remote sites, kiosks, ATMs, digital signage, and IoT/M2M applications where wired WAN is unavailable or unreliable.

Key Features

• 4G LTE Cellular WAN: High-speed cellular connectivity for remote and mobile deployments
• M2M Gateway: Designed for IoT and machine-to-machine applications
• Cisco IOS: Enterprise-grade routing, security, and VPN
• Cellular Failover: Automatic failover from wired WAN to 4G LTE
• North America (NA): Configured for North American LTE bands
• Compact Form Factor: Desktop deployment for remote sites

Technical Specifications

• Part Number: C819G-4G-NA-K9
• WAN: 4G LTE cellular (North America)
• OS: Cisco IOS
• Features: Routing, NAT, VPN, Firewall
• Form Factor: Desktop
• Region: North America

Use Cases

• Remote Site Connectivity: 4G LTE primary WAN for sites without wired broadband
• Cellular Failover: Backup WAN for wired-primary branch offices
• IoT/M2M: Gateway for machine-to-machine and IoT device connectivity
• Kiosks & ATMs: Secure cellular connectivity for unattended deployments

Compatibility Notes

• NA variant configured for North American 4G LTE bands — not suitable for international deployments
• Requires carrier SIM card activation for cellular connectivity
• Managed via Cisco IOS CLI and Cisco SDM
• Compatible with Cisco IOS VPN feature sets for secure site-to-site connectivity

Frequently Asked Questions

What carriers are compatible with the C819G-4G-NA-K9?

The NA variant supports North American 4G LTE bands — compatible with major US carriers including AT&T, T-Mobile, and Verizon. Verify specific band compatibility with your carrier before deployment.

Can this router be used as a cellular backup for a wired WAN connection?

Yes — Cisco IOS supports IP SLA-based WAN failover, enabling automatic switchover from wired WAN to 4G LTE cellular when the primary connection fails.

Is this router still supported by Cisco?

The Cisco 819G is an older platform — verify current support and EOL status with Cisco before deploying in production environments.

Product Details

• Part Number: C819G-4G-NA-K9
• Manufacturer: Cisco Systems
• Model: 819G
• Product Type: 4G LTE M2M Integrated Services Router

Whether you are connecting a remote site via 4G LTE, deploying cellular failover for a branch office, or building an IoT/M2M gateway for unattended deployments, the Cisco C819G-4G-NA-K9 delivers the 4G LTE connectivity, Cisco IOS security, and M2M gateway capability your remote deployment demands.