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Ethan Roberts
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Reliable ADSL/POTS router with wireless. Provides stable connectivity and strong security for small offices.
CISCO1811W-AG-B/K9
Security Router with 802.11a+g FCC Compliant and Analog B/U
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CISCO1811W-AG-B/K9
- Description:
- Security Router with 802.11a+g FCC Compliant and Analog B/U
- Rating:
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- Brand:
- Cisco
- GTIN:
- 717522639600
- Condition:
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CISCO1811W-AG-B/K9 Overview
CISCO1811W-AG-B/K9 is a fixed enterprise router built with an integrated wireless gateway, offering robust connectivity options through dual WAN and four LAN interfaces that ensure seamless wired and wireless networking. Designed with an external AC power supply, its architecture delivers secure, high-performance routing with built-in hardware redundancy and comprehensive network protocols.
CISCO1811W-AG-B/K9 also integrates essential services such as voice and video support along with advanced VPN capabilities, enabling secure remote access. Its feature set—including firewall protection, NAT, and QoS—coupled with moderate expansion capability and reliable throughput performance, makes it a solid choice for enterprise use cases where network resilience and integrated services are required.
CISCO1811W-AG-B/K9 price is is available on request. Get immediate quote.
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CISCO1811W-AG-B/K9 Specifications
- Power Source
- AC Power Supply
- Form Factor
- Desktop / Rack-mount
- Ethernet Technology
- 10/100
- Memory
- 128 MB
- Flash Memory
- 32 MB
- Weight
- 10 lbs
- Width
- 17.7 inches
- Height
- 1.7 inches
- Depth
- 14.1 inches
- Product Type
- Enterprise Router
- Architecture
- Fixed
- WAN Configuration
- Dual WAN
- WAN Ports
- 2 WAN
- Firewall Features
- Yes
- Management
- Managed
- Safety
- N/A
- EMC
- N/A
- Telecom
- N/A
- QoS Features
- Supported
- Stacking Capability
- No
- 5G Support
- No
- Interface Ports
- RJ-45
- Device Type
- Router
- High Availability Support
- Supported
- VPN Support
- IPSec / SSL VPN
- Use Case
- Enterprise
- Integrated Services
- Voice / Video
- LAN Ports
- 4 LAN Ports
- Compliance Standards
- FCC / CE
- Speed/Capacity
- Fast Ethernet
- Power
- 65 W
- Broadband
- DSL
- Connectivity Type
- Wired / Wireless / Ethernet
- Wireless Support
- Yes
- Remote Management
- SSH / Telnet / SNMP
- Built-in Security Features
- Firewall / Intrusion Prevention / Malware Protection
- Wi-Fi Standard
- WiFi 3
- Modular Slots Available
- N/A
- Routing Protocols
- OSPF / BGP / EIGRP / Static Routing
- Expansion Slots
- N/A
- Throughput Capacity
- 0.15 Gbps
- Network Protocols
- IPv4
- Features
- VPN / Firewall / NAT / QoS / IPv6 Compatible
- Product Name
- CISCO1811W-AG-B/K9 Wireless Gateway Router
CISCO1811W-AG-B/K9 Use Case
Secure Multi-Branch VPN with Dial-Up Failover
In a financial services multi-branch deployment, the CISCO1811W-AG-B/K9-Security Router with FCC-compliant 802.11a+g delivers high-performance connectivity and AES-encrypted VPN tunnels over primary broadband, automatically failing over to its analog B/U dial-up modem during outages. This configuration maintains secure inter-branch communication, ensures 99.9% network availability and enforces regulatory compliance.
Rural Healthcare Telemedicine Resilience
In rural clinics, the CISCO1811W-AG-B/K9-Security Router leverages FCC-compliant 802.11a+g Wi-Fi for secure EHR access and patient portals, while its embedded analog B/U modem provides uninterrupted telemedicine sessions when primary links drop. The solution reduces downtime by 85%, supports HIPAA-grade encryption and safeguards critical patient data.
Industrial IoT Edge Connectivity with Redundant Backup
At manufacturing sites, the CISCO1811W-AG-B/K9-Security Router serves as an edge IoT gateway—aggregating 802.11a+g wireless sensors and securing SCADA traffic via IPsec VPN. When broadband fails, its analog B/U dial-up link preserves real-time monitoring and control, preventing production delays and maintaining process integrity.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 CISCO1811W-AG-B/K9 |  CISCO1841 |  C1861W-UC-2BRI-K9 |  C1861-4F-VSEC/K9 |  CISCO1841-ADSL2 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Modular | Fixed | Fixed | Modular |
| Broadband | DSL | N/A | N/A | N/A | DSL |
| Built-in Security Features | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention / Malware Protection | Firewall | Firewall / Intrusion Prevention |
| Compliance Standards | FCC / CE | FCC / CE | FCC / CE | FCC, CE | IEEE 802.3, IEEE 802.3u |
| Connectivity Type | Wired / Wireless / Ethernet | Wired | Wired / Wireless | Wired | Wired |
| Depth | 14.1 inches | N/A | N/A | N/A | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | FCC / CE | N/A | N/A | FCC / CE |
| Ethernet Technology | 10/100 | 10/100 | 10/100 | 10/100 | 10/100 |
| Expansion Slots | N/A | EHWIC | N/A | EHWIC | NIM |
| Features | VPN / Firewall / NAT / QoS / IPv6 Compatible | VPN / VoIP / IPv6 Compatible / Firewall | VPN / VoIP / Firewall / IPv6 Compatible | VPN / Firewall / IPv6 Compatible | VPN / VoIP / IPv6 Compatible / Firewall |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 32 MB | 128 MB | 128 MB | 256 MB | 256 MB |
| Form Factor | Desktop / Rack-mount | Desktop | Desktop | Desktop | Desktop |
| Height | 1.7 inches | N/A | N/A | N/A | N/A |
| High Availability Support | Supported | Not Supported | Not Supported | Supported | Not Supported |
| Integrated Services | Voice / Video | Voice / Video / WAN Optimization | Voice | Voice | Voice / Video |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 2 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 128 MB | 64 MB | 256 MB | 256 MB | 128 MB |
| Modular Slots Available | N/A | 2 Slots | N/A | 1 Slot | 2 Slots |
| Network Protocols | IPv4 | BGP / EIGRP / OSPF / RIP / Static Routing | TCP/IP, UDP, ICMP, IGMP | IPv4, IPv6, NAT, PAT | IP, TCP, UDP, ICMP |
| Power | 65 W | 65 Watt | 65 Watts | 65 Watt | 65 Watt |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | CISCO1811W-AG-B/K9 Wireless Gateway Router | Cisco 1841 Integrated Services Router | Cisco 1861W Integrated Services Router for Unified Communications | Cisco C1861-4F-VSEC/K9 Integrated Services Router | CISCO1841-ADSL2 |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | SSH / Telnet / SNMP | Telnet / SSH / SNMP | CLI, SNMP, HTTP/HTTPS | Telnet, SSH, SNMP | Telnet, SSH, SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / BGP | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | N/A | UL / CE | N/A | N/A | N/A |
| Speed/Capacity | Fast Ethernet | N/A | N/A | N/A | N/A |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | ITU-T G.992.3 |
| Throughput Capacity | 0.15 Gbps | 0.035 Gbps | 0.025 Gbps | 0.025 Gbps | 25 Mbps |
| Use Case | Enterprise | Business / Small Business / Enterprise | Business | Business | Business |
| VPN Support | IPSec / SSL VPN | IPSec / GRE / N/A | IPSec | IPSec | IPSec |
| WAN Configuration | Dual WAN | Dual WAN | WAN | WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN | 1 WAN | 4 WAN | 2 WAN |
| Weight | 10 lbs | 7.5 lbs | N/A | N/A | N/A |
| Wi-Fi Standard | WiFi 3 | N/A | WiFi 3 | N/A | N/A |
| Width | 17.7 inches | N/A | N/A | N/A | N/A |
| Wireless Support | Yes | No | Yes | No | No |
Reviews & Ratings
I
Isabella Brown
4
Cisco 1811W ensures consistent performance and secure connections. Easy to deploy and manage.
B
Benjamin Scott
5
Stable routing and dependable wireless coverage. Ideal for SOHO and branch office setups.
O
Olivia Carter
3
Handles voice, data, and wireless users efficiently. Cisco quality is evident in long-term stability.
L
Lucas Harris
4
Strong performance and reliable security. Meets daily office networking needs with minimal downtime.
Questions & Answers
What is the Cisco 1811W-AG-B/K9 Security Router?
The Cisco 1811W-AG-B/K9 is a compact branch office security router with integrated 802.11a/g Wi-Fi, analog dial-up backup and advanced firewall, ideal for small to midsize business networks.
Which wireless standards does the Cisco 1811W-AG-B/K9 support?
It supports dual-band 802.11a and 802.11g Wi-Fi standards, delivering up to 54 Mbps of secure wireless connectivity for guest and employee networks.
Is the Cisco 1811W-AG-B/K9 FCC compliant?
Yes, the Cisco 1811W-AG-B/K9 is FCC Part 15 Class B compliant, ensuring electromagnetic compatibility and interference immunity in commercial and residential environments.
What security features are built into the Cisco 1811W-AG-B/K9?
It includes Cisco IOS Zone-Based Firewall, intrusion prevention (IPS), VPN (IPsec and SSL), NAC integration and stateful inspection to protect data and voice traffic at the branch.