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CISCO1801W-AG-C/K9
ADSL/POTS Router with 802.11a+g Compliant and Security
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CISCO1801W-AG-C/K9 is an enterprise-grade fixed router designed to deliver integrated services and advanced security in branch office and remote access environments. Built with a robust architecture, it features configurable power options and a diverse mix of WAN and LAN interfaces that accommodate both wired and wireless connectivity. The device is optimized for seamless VPN connectivity, ensuring secure remote access while supporting multiple routing protocols and integrated firewall capabilities.
Engineered for high performance, the CISCO1801W-AG-C/K9 offers modular expansion slots and integrated voice and video services to meet diverse business needs. Its advanced throughput and QoS features guarantee reliable and resilient connectivity for mission-critical applications, making it an ideal choice for enterprise and business environments where security, scalability, and dependable performance are paramount.
CISCO1801W-AG-C/K9 price is is available on request. Get immediate quote.
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A suburban accounting firm with only copper phone lines deploys the CISCO1801W-AG-C/K9-ADSL/POTS Router to deliver ADSL2+ broadband and simultaneous 802.11a/g Wi-Fi for 25 employees. Built-in WPA2-Enterprise, stateful packet inspection firewall and VPN termination eliminate the need for separate security appliances. Outcome: 50% faster internet performance, secure wireless access for BYOD, and 30% lower infrastructure costs.
A remote manufacturing facility uses the CISCO1801W-AG-C/K9 to establish persistent IPSec VPN tunnels over existing ADSL/POTS lines back to corporate HQ. Dual-band 802.11a/g radios provide local Wi-Fi for field engineers, while automatic failover to POTS voice lines ensures uninterrupted connectivity. Outcome: 256-bit encrypted data links with 99.9% uptime, seamless resource access and a 70% reduction in WAN lease costs.
A small retail chain implements the CISCO1801W-AG-C/K9-ADSL/POTS Router to create separate SSIDs and VLANs for payment terminals and customer hotspots. 802.11a/g radios ensure robust 5 GHz connectivity for POS devices, while WPA2-PSK and ACLs protect cardholder data. Outcome: Full PCI DSS compliance, zero network breaches, and enhanced in-store customer experience.
To get the detailed certification, please go to the Compliance Center.
| CISCO1801W-AG-C/K9 |  CISCO1812/K9 |  C1861W-SRST-B/K9 |  C1841-3G-G |  CISCO1841-SHDSL-V3 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Fixed | Fixed | Fixed | Fixed |
| Broadband | N/A | DSL | N/A | N/A | DSL |
| Built-in Security Features | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention | Firewall |
| Compliance Standards | FCC / CE | IEEE802.3, IEEE802.3u, FCC, CE | FCC, CE, UL | IEEE 802.3, IEEE 802.3u | FCC / CE |
| Connectivity Type | Wired / Wireless / Ethernet | Wired | Wired / Wireless | Wired | Wired |
| Depth | 11.5 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 | NIM | EHWIC | HWIC / NIM |
| Features | VPN / VoIP / IPv6 Compatible / Firewall | VPN, VoIP, IPv6 Compatible, Firewall, MPLS | VPN, Firewall, Integrated Services, IPv6 Compatible | VPN / IPv6 Compatible / Firewall | VPN / IPv6 Compatible / Firewall |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 128 MB |
| Form Factor | Rack-mount | Rack-mount / Desktop | Desktop | Rack-mount | Rack-mount |
| Height | 1.7 inches | N/A | N/A | N/A | N/A |
| High Availability Support | Not Supported | Supported | Supported | Not Supported | Supported |
| Integrated Services | Voice / Video | Voice / Video | Voice, Video | Voice | Voice / Video |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| LAN Ports | 2 LAN Ports | 4 LAN Ports | 4 LAN Ports | N/A | 2 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 512 MB | 512 MB | 256 MB | 128 MB | 128 MB |
| Modular Slots Available | 2 Slots | 1 Slot | 2 Slots | 2 Slots | 2 Slots |
| Network Protocols | IPv4, IPv6, TCP/IP, UDP, NAT, PPPoE | IPv4 / IPv6 | IPv4, IPv6 | IPv4, IPv6, MPLS | OSPF / EIGRP / RIP / Static Routing |
| Power | 65 Watt | 65W | 40W | 73 W | 65 Watt |
| Power Source | AC Power Supply | AC Power Supply / Redundant | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | CISCO1801W-AG-C/K9 | CISCO1812/K9 Integrated Services Router | Cisco 1861 Wireless Services Router | Cisco 1841-3G-G | CISCO1841-SHDSL-V3 |
| Product Type | Enterprise Router | Integrated Services Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | CLI, SNMP, HTTP, HTTPS | CLI / SNMP / Telnet / SSH | SSH, Telnet, SNMP | Telnet, SSH, SNMP | Telnet / SSH |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / Static Routing |
| Safety | N/A | N/A | N/A | N/A | N/A |
| Speed/Capacity | N/A | Fast Ethernet | Gigabit | N/A | N/A |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 0.075 Gbps | N/A | 0.085 Gbps | 0.045 Gbps | 0.03 Gbps |
| Use Case | Enterprise / Business | Business / Small Business | Business / Small Business | Small Business | Enterprise |
| VPN Support | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN / DMVPN / GRE | IPSec | IPSec |
| WAN Configuration | WAN | WAN | Dual WAN | WAN | WAN |
| WAN Ports | 1 WAN | 2 WAN | 2 WAN | 2 WAN | 1 WAN |
| Weight | 9.3 lbs | N/A | N/A | N/A | N/A |
| Wi-Fi Standard | WiFi 4 | N/A | WiFi 4 | N/A | N/A |
| Width | 17.2 inches | N/A | N/A | N/A | N/A |
| Wireless Support | Yes | No | Yes | No | No |
Reliable ADSL/POTS router with stable wireless performance. Easy setup and solid security make it perfect for small offices.
Cisco 1801W-AG-C provides consistent connectivity and dependable wireless coverage. Ideal for SOHO environments.
Good balance of security and usability. Maintains stable connections under normal office workloads.
Easy deployment with strong ADSL performance. Cisco quality ensures long-term reliability.
Stable routing and wireless support. Meets daily networking needs efficiently.
The Cisco 1801W-AG-C/K9 is a compact integrated ADSL2+/POTS router with dual-band 802.11a/g wireless and advanced security, designed for small offices and branch deployments.
The router supports IEEE 802.11a and 802.11g concurrently, delivering dual-band wireless performance up to 54 Mbps in each band.
It provides ADSL, ADSL2, and ADSL2+ compliance for up to 24 Mbps downstream and 1 Mbps upstream over a single RJ-11 DSL port.
Yes. It includes one FXS POTS port for analog voice or fax, enabling simultaneous broadband and telephony on the same line.
The device offers two 10/100 Mbps Fast Ethernet LAN ports for wired connectivity and one 10/100 Mbps Fast Ethernet switch uplink.
It supports WPA2, AES, TKIP, 128-bit WEP, MAC filtering, SPI firewall, Secure Shell (SSH), and VPN passthrough for IPSec, PPTP, and L2TP.
Yes. It natively supports site-to-site and remote-access VPN using IPSec, PPTP, and L2TP with hardware-accelerated encryption.
It delivers up to 24 Mbps ADSL2+ downstream, 1 Mbps upstream, and wire-speed routing with VPN throughput up to 50 Mbps.
You can configure it via the Cisco IOS CLI over console, SSH or Telnet, or use the built-in HTTP/HTTPS web-based setup wizard.
It supports Cisco IOS CLI, HTTP/HTTPS, Telnet, SSH, SNMP v2c/v3, and RMON for comprehensive monitoring and management.
Yes. It is interoperable with most global ADSL service providers and DSLAM vendors, ensuring broad compatibility.
The router measures 200 × 150 × 30 mm (W × D × H) and weighs approximately 0.5 kg, making it ideal for desktop or wall-mount installations.
It operates on 12 V DC at 1 A, consuming approximately 5 W under normal load conditions.
Yes. It includes Cisco IOS QoS features such as CBWFQ, priority queuing, traffic shaping, and DiffServ marking for traffic prioritization.
Absolutely. Its integrated ADSL2+, POTS, dual-band wireless, security features, and compact design make it ideal for small offices and remote branches.
Press and hold the recessed reset button for 10 seconds while the router is powered on; the system LED will flash to confirm factory default restoration.
Cisco provides a one-year limited hardware warranty, and you can purchase Cisco SMARTnet for extended support and software updates.