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CISCO1812W-AG-C/K9
Dual Ethernet Security Router, 802.11a+g China Compliant
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CISCO1812W-AG-C/K9 delivers a fixed architecture with integrated services engineered for branch connectivity. It comes with a standard AC power supply and offers robust WAN/LAN interfaces—featuring dual WAN and four LAN ports—to support reliable data connectivity, while its integrated VPN features guarantee secure remote access.
CISCO1812W-AG-C/K9 also provides modular expansion via an EHWIC slot, ensuring scalability to meet growing network demands. With a throughput capacity of approximately 0.025 Gbps, built-in firewall protection, and comprehensive remote management support, this router is optimized for small business branch deployments and enterprise edge use cases.
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To get the detailed certification, please go to the Compliance Center.
| CISCO1812W-AG-C/K9 |  CISCO1841-ADSL2-M |  C1841-3G-S |  C1861W-UC-2BRI-K9 |  C1841-3G-S-SEC/K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Fixed | Fixed | Fixed | Fixed |
| Broadband | N/A | DSL | N/A | N/A | 3G |
| Built-in Security Features | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention / Malware Protection | Firewall |
| Compliance Standards | FCC, CE | FCC, CE | FCC / CE / UL | FCC / CE | FCC / CE / UL |
| Connectivity Type | Wired / Wireless | Wired | Wired | Wired / Wireless | Wired |
| Depth | 11.0 inches | N/A | N/A | N/A | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | N/A | N/A | N/A |
| Ethernet Technology | 10/100 | 10/100 | 10/100 | 10/100 | 10/100 |
| Expansion Slots | EHWIC | EHWIC | EHWIC | N/A | EHWIC |
| Features | VPN / IPv6 Compatible / Firewall / VoIP | VPN / VoIP / IPv6 Compatible / Firewall | VPN / VoIP / IPv6 Compatible / Firewall | VPN / VoIP / Firewall / IPv6 Compatible | VPN / Firewall / IPv6 Compatible |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 128 MB | 256 MB | 256 MB | 128 MB | 128 MB |
| Form Factor | Desktop | Desktop | Desktop | Desktop | Desktop |
| Height | 1.73 inches | N/A | N/A | N/A | N/A |
| High Availability Support | Not Supported | Not Supported | Not Supported | Not Supported | Not Supported |
| Integrated Services | Voice | Voice | Voice / Video / WAN Optimization | Voice | Voice |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| LAN Ports | 4 LAN Ports | 2 LAN Ports | N/A | 4 LAN Ports | 2 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 512 MB | 128 MB | 128 MB | 256 MB | 512 MB |
| Modular Slots Available | 1 Slot | 2 Slots | 2 Slots | N/A | 2 Slots |
| Network Protocols | IPv4, IPv6 | IP, IPX, AppleTalk | IPv4 / IPv6 | TCP/IP, UDP, ICMP, IGMP | IPv4 / IPv6 |
| Power | 35W | 65 W | 65W | 65 Watts | 45 W |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | CISCO1812W-AG-C/K9 | CISCO1841-ADSL2-M | Cisco C1841-3G-S Integrated Services Router | Cisco 1861W Integrated Services Router for Unified Communications | Cisco C1841-3G-S-SEC/K9 Integrated Services Router |
| Product Type | Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet/SSH/SNMP | Telnet, SSH, SNMP | Telnet / SSH / SNMP | CLI, SNMP, HTTP/HTTPS | SSH / Telnet / SNMP |
| Routing Protocols | OSPF / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | N/A | N/A | N/A | N/A | N/A |
| Speed/Capacity | N/A | N/A | N/A | N/A | N/A |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 0.025 Gbps | 0.075 Gbps | 0.025 Gbps | 0.025 Gbps | 0.035 |
| Use Case | Business | Small Business / Enterprise | Enterprise | Business | Enterprise |
| VPN Support | IPSec / SSL VPN | IPSec | IPSec | IPSec | IPSec VPN |
| WAN Configuration | Dual WAN | WAN | WAN | WAN | WAN |
| WAN Ports | 2 WAN | 1 WAN | 1 WAN | 1 WAN | 2 WAN |
| Weight | 9.1 lbs | N/A | N/A | N/A | N/A |
| Wi-Fi Standard | WiFi 4 | N/A | N/A | WiFi 3 | N/A |
| Width | 17.0 inches | N/A | N/A | N/A | N/A |
| Wireless Support | Yes | No | No | Yes | No |
Dual Ethernet router with wireless. Stable performance and secure connectivity for China-compliant networks.
Cisco 1812W-AG-C ensures reliable routing and wireless coverage. Easy to deploy and maintain.
Handles office traffic efficiently with dependable dual Ethernet connectivity. Ideal for small branch offices.
Stable wireless and routing performance. Cisco quality ensures secure and uninterrupted network operations.
Durable and reliable router. Provides predictable connectivity for branch networks with minimal downtime.
The Cisco 1812W-AG-C/K9 is a business-class dual Ethernet security router with integrated 802.11a+g Wi-Fi, advanced firewall, and VPN capabilities, designed for China-compliant deployments.
Key features include dual 10/100 Mbps Ethernet WAN/LAN ports, concurrent 802.11a and 802.11g wireless, stateful firewall, IPsec VPN, NAT, and China-compliant radio firmware.
Yes, the Cisco 1812W-AG-C/K9 delivers concurrent 802.11a and 802.11g wireless connectivity for flexible, high-speed Wi-Fi coverage.
Yes, the Cisco 1812W-AG-C/K9 includes China-compliant firmware and regulatory approvals for operation in mainland China.
The router offers two 10/100 Mbps Ethernet ports that can be configured as WAN or LAN interfaces for flexible network design.
Built-in security features include a stateful packet inspection firewall, intrusion prevention, URL filtering, and support for IPsec and SSL VPN tunnels.
Yes, the Cisco 1812W-AG-C/K9 supports multiple IPsec site-to-site tunnels and up to 50 client VPN sessions for secure remote connectivity.
The Cisco 1812W-AG-C/K9 delivers up to 35 Mbps of firewall throughput and up to 20 Mbps of VPN throughput under typical conditions.
Absolutely, the Cisco 1812W-AG-C/K9 is optimized for small offices and branch locations requiring integrated security, routing, and wireless in a compact form factor.
Access the router’s web-based GUI at its management IP, navigate to Wireless Settings, select your SSID, security mode, and channel, then save and apply changes.
The Cisco 1812W-AG-C/K9 uses a standard external AC power adapter (100–240V, 50–60Hz) and has a low-power design for energy efficiency.
Yes, the Cisco 1812W-AG-C/K9 supports full dual-stack IPv4/IPv6 routing and transition mechanisms for modern network deployments.
It includes a stateful packet inspection (SPI) firewall with advanced features such as intrusion prevention and application inspection.
Yes, you can securely manage the router via HTTPS, SSH, SNMP, or Cisco Configuration Professional for remote administration.
Cisco offers a one-year limited hardware warranty, software bug fixes, and optional SMARTnet support for 24/7 technical assistance and advance hardware replacement.
Download the latest IOS image from Cisco.com, upload it via the web GUI or TFTP, verify the integrity, then reboot the router to complete the upgrade.