United States$5,000,000+
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Sophia Lewis
5
Excellent router with reliable 3G backup. Keeps our branch office online during primary link outages.
CISCO881G-A-K9
881G FE Sec Router with Adv IP Serv, 3G N. America GSM/HSPA
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CISCO881G-A-K9
- Description:
- 881G FE Sec Router with Adv IP Serv, 3G N. America GSM/HSPA
- Rating:
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- Brand:
- Cisco
- GTIN:
- 882658250354
- Condition:
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CISCO881G-A-K9 Overview
Overview of CISCO881G-A-K9
CISCO881G-A-K9 is a fixed-architecture integrated services router engineered for small business and branch office environments. It offers robust power management via an AC power supply, dual WAN connectivity coupled with four 10/100 LAN ports, and integrated services that include advanced routing, security, and voice capabilities. Optimized for performance, it supports IPSec VPN features, effective QoS handling, and a stateful firewall, ensuring reliable throughput and secure connectivity even in remote deployments.
Designed with redundancy in mind at the network and service level, CISCO881G-A-K9 delivers proven performance with capabilities for remote management via SSH, Telnet, and SNMP. Although it has limited modular expansion through EHWIC support, its integrated security, dual WAN configurations, and support for IPv4/IPv6 routing protocols make it a compelling choice for critical business use cases that demand secure, resilient, and efficient branch connectivity.
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CISCO881G-A-K9 Specifications
- Product Type
- Integrated Services Router
- VPN Support
- IPSec
- Power Source
- AC Power Supply
- Routing Protocols
- OSPF / EIGRP / RIP / Static Routing
- Broadband
- N/A
- Architecture
- Fixed
- WAN Configuration
- Dual WAN
- WAN Ports
- 2 WAN
- LAN Ports
- 4 LAN Ports
- Ethernet Technology
- 10/100
- Wi-Fi Standard
- N/A
- Connectivity Type
- Wired
- Network Protocols
- IPv4 / IPv6
- Remote Management
- SSH / Telnet / SNMP
- Compliance Standards
- FCC / CE
- Wireless Support
- No
- Speed/Capacity
- N/A
- Firewall Features
- Yes
- Features
- VPN / Firewall / IPv6 Compatible
- Use Case
- Small Business / Branch Office
- Management
- Managed
- Form Factor
- Desktop
- Integrated Services
- Voice
- High Availability Support
- Not Supported
- Safety
- N/A
- EMC
- N/A
- Telecom
- N/A
- Throughput Capacity
- 0.1 Gbps
- QoS Features
- Supported
- Built-in Security Features
- Firewall / Intrusion Prevention
- Expansion Slots
- EHWIC
- Modular Slots Available
- N/A
- Stacking Capability
- No
- 5G Support
- No
- Memory
- 256 MB
- Flash Memory
- 256 MB
- Interface Ports
- RJ-45
- Power
- 65W
- Device Type
- Router
- Product Name
- Cisco 881G-A-K9 Integrated Services Router
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
CISCO881G-A-K9 Use Case
Secure Remote Retail Branch Connectivity with 3G GSM/HSPA
A national retail chain deploys the CISCO881G-A-K9 router in over 200 remote storefronts to provide secure, high-availability WAN connectivity over DSL with automatic 3G N. America GSM/HSPA failover. By leveraging advanced IP services—VPN encryption, firewall inspection and traffic shaping—the solution delivers uninterrupted POS transaction security, PCI compliance and centralized management, reducing downtime by 98% and lowering operational costs.
Mobile Public Safety Fleet Communications
A municipal police department integrates CISCO881G-A-K9 routers in patrol vehicles to enable mission-critical video streaming, VoIP and real-time data exchange over 3G N. America GSM/HSPA and LTE backup. With built-in VPN, QoS and advanced security policies, dispatchers maintain secure command-and-control connectivity under high mobility, improving incident response times by 40% and enhancing officer safety.
Disaster Recovery Network for Utilities
A regional utility company installs CISCO881G-A-K9 routers at key substation sites to ensure continuous SCADA and telemetry operations during network outages. Leveraging dual uplinks—primary fiber and secondary 3G N. America GSM/HSPA—the solution provides encrypted VPN tunneling, priority traffic routing and rapid failover. This architecture guarantees 24/7 grid monitoring, reduces recovery time objective (RTO) by 70% and mitigates revenue loss during emergencies.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 CISCO881G-A-K9 |  CISCO887-K9 |  CISCO876-SEC-K9 |  CISCO878-K9 |  CISCO888G-K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Fixed | Fixed | Fixed | Fixed |
| Broadband | N/A | N/A | N/A | N/A | DSL |
| Built-in Security Features | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention / Malware Protection |
| Compliance Standards | FCC / CE | FCC / CE | FCC / CE / RoHS | FCC, CE | FCC / CE / RoHS |
| Connectivity Type | Wired | Wired | Wired / Wireless | Wired / Wireless | Wired |
| Depth | N/A | N/A | N/A | 7.5 inches | 9 inches |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | N/A | N/A | FCC / CE |
| Ethernet Technology | 10/100 | 10/100 | 10/100 | 10/100 | 10/100/1000 |
| Expansion Slots | EHWIC | N/A | N/A | N/A | N/A |
| Features | VPN / Firewall / IPv6 Compatible | VPN / NAT / QoS / Firewall | VPN / Firewall / IPv6 Compatible | VPN / IPv6 Compatible / Firewall / QoS | VPN / VoIP / IPv6 Compatible / Firewall / MPLS |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 128 MB | 128 MB | 128 MB | 256 MB |
| Form Factor | Desktop | Desktop | Desktop | Desktop | Desktop |
| Height | N/A | N/A | N/A | 1.0 inches | 1.5 inches |
| High Availability Support | Not Supported | Supported | Supported | Not Supported | Supported |
| Integrated Services | Voice | Voice / Video / Security | Voice / Video | Voice / Video / WAN Optimization | Voice |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 / Combo Ports | RJ-45, Combo Ports | RJ-45 / SFP |
| LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 256 MB | 256 MB | 256 MB | 256 MB | 512 MB |
| Modular Slots Available | N/A | N/A | N/A | N/A | N/A |
| Network Protocols | IPv4 / IPv6 | IPv4 / IPv6 | IPv4 / IPv6 | IPv4, IPv6 | IPv4 / IPv6 / ICMP / TCP / UDP |
| Power | 65W | 65 Watts | 17 W | 48W | 65W |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply / Redundant |
| Product Name | Cisco 881G-A-K9 Integrated Services Router | CISCO887-K9 | CISCO876-SEC-K9 | CISCO878-K9 | Cisco 888G Integrated Services Router |
| Product Type | Integrated Services Router | Enterprise Router | Router | Integrated Services Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | SSH / Telnet / SNMP | CLI / SSH / Telnet / SNMP | CLI / SNMP / HTTP / HTTPS | Telnet, SSH, HTTP, HTTPS | SNMP / SSH / Telnet |
| Routing Protocols | OSPF / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / Static Routing | OSPF / BGP / RIP / Static Routing | OSPF / EIGRP / BGP / RIP / Static Routing |
| Safety | N/A | N/A | N/A | FCC | UL / CE |
| Speed/Capacity | N/A | 100 Mbps | N/A | N/A | Gigabit |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | TIA-568 |
| Throughput Capacity | 0.1 Gbps | 20 Mbps | 0.025 Gbps | 0.05 Gbps | 1 Gbps |
| Use Case | Small Business / Branch Office | Enterprise Branch | Small Business | Business / Small Business | Enterprise / Small Business |
| VPN Support | IPSec | IPSec / SSL VPN / DMVPN / N/A | IPSec / SSL VPN / N/A | IPSec VPN | IPSec / SSL VPN / GRE / DMVPN / FlexVPN |
| WAN Configuration | Dual WAN | WAN | WAN | WAN | Dual WAN |
| WAN Ports | 2 WAN | 1 WAN | 1 WAN | 1 WAN | 2 WAN |
| Weight | N/A | N/A | N/A | 4 lbs | 5 lbs |
| Wi-Fi Standard | N/A | N/A | WiFi 2 / WiFi 3 | WiFi 4 | N/A |
| Width | N/A | N/A | N/A | 9.0 inches | 7 inches |
| Wireless Support | No | No | Yes | Yes | No |
Reviews & Ratings
E
Ethan Davis
4
Cisco 881G provides stable routing and dependable failover. A practical choice for business continuity.
L
Liam Walker
5
Consistent performance with advanced IP services. Easy to deploy and manage.
O
Olivia Taylor
3
Reliable Ethernet routing and solid backup connectivity. Works well for remote offices.
B
Benjamin Roberts
4
Trusted Cisco build quality. Performs consistently under daily business traffic.
Questions & Answers
What is the Cisco 881G-A-K9 router?
The Cisco 881G-A-K9 is a fixed-configuration branch router featuring Fast Ethernet, advanced IP services, and an integrated 3G GSM/HSPA module for North America.
What key features does the Cisco 881G-A-K9 offer?
It delivers 4 Fast Ethernet LAN ports, 1 Fast Ethernet WAN port, advanced IP routing, built-in firewall, VPN support, and 3G GSM/HSPA cellular failover.
Does the Cisco 881G-A-K9 support advanced IP services?
Yes, it includes the Cisco IOS Advanced IP Services feature set for dynamic routing, QoS, multicast, VLANs, and IPv6 support.
Which cellular technologies are supported by the 3G module?
The integrated module supports North American GSM and HSPA bands (850/1900 MHz) for reliable 3G connectivity and failover.