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CISCO881G-S-K9
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881G FE Sec Router bundle with Adv IP Serv, 3G Sprint
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Name:
CISCO881G-S-K9
- Description:
- 881G FE Sec Router bundle with Adv IP Serv, 3G Sprint
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 882658250378
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
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CISCO881G-S-K9 Overview
CISCO881G-S-K9 is a fixed enterprise router designed for small business environments that delivers integrated routing, switching, and security functions. It features an AC power supply, a single dedicated WAN port paired with four LAN ports operating at 10/100 Ethernet speeds, and built-in services including voice, video, and WAN optimization—all optimized for secure VPN connectivity and robust performance.
CISCO881G-S-K9 excels in delivering up to 0.15 Gbps throughput with advanced firewall and IPS capabilities, while its fixed architecture ensures reliable operation and cost-effective deployment. Although it does not offer modular expansion options, its integrated services and managed interface features make it an ideal solution for small business use cases requiring dependable connectivity and redundancy.
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CISCO881G-S-K9 Specifications
- Product Type
- Enterprise Router
- Brand
- Cisco
- VPN Support
- IPSec
- Power Source
- AC Power Supply
- Routing Protocols
- OSPF, EIGRP, RIP, BGP, Static Routing
- Architecture
- Fixed
- WAN Configuration
- WAN
- WAN Ports
- 1 WAN
- LAN Ports
- 4 LAN Ports
- Ethernet Technology
- 10/100
- Connectivity Type
- Wired
- Network Protocols
- IPv4, IPv6
- Remote Management
- Telnet, SSH, SNMP
- Compliance Standards
- FCC, CE
- Wireless Support
- No
- Firewall Features
- Yes
- Features
- VPN, Voice, Security, Firewall, IPv6 Compatible
- Use Case
- Small Business
- Management
- Managed
- Form Factor
- Desktop
- Integrated Services
- Voice, Video, WAN Optimization
- High Availability Support
- Not Supported
- Throughput Capacity
- 0.15 Gbps
- QoS Features
- Supported
- Built-in Security Features
- Firewall, Intrusion Prevention
- Stacking Capability
- No
- 5G Support
- No
- Memory
- 256 MB
- Flash Memory
- 128 MB
- Interface Ports
- RJ-45
- Power
- 24 W
- Device Type
- Router
- Product Name
- Cisco 881G-S-K9
- Height
- 1.44 inches
- Width
- 8.66 inches
- Depth
- 7.48 inches
- Weight
- 4 lbs
CISCO881G-S-K9 Use Case
Retail Branch Office High-Availability Connectivity
A national retail chain deploys the CISCO881G-S-K9-881G FE Sec Router bundle with Advanced IP Services and 3G Sprint at each storefront to deliver primary broadband plus instant 3G failover. Integrated Cisco firewall, VPN and WAN optimization ensure PCI-compliant, uninterrupted POS transactions and seamless inventory synchronization. Outcome: 99.99% network uptime, zero revenue loss during outages and reduced IT support costs.
Secure Industrial IoT Monitoring in Remote Facilities
A manufacturing company uses the CISCO881G-S-K9-881G FE Sec Router bundle with Advanced IP Services and 3G Sprint to connect dispersed sensor arrays and PLC controllers over encrypted VPN tunnels. The router’s integrated firewall, dynamic routing (EIGRP/OSPF) and cellular failover enable real-time telemetry and predictive maintenance from central SCADA servers. Outcome: 30% reduction in unplanned downtime, improved asset utilization and lower maintenance overhead.
Rapid-Deployment Emergency Response Communications
A public safety agency outfits mobile command units with the CISCO881G-S-K9-881G FE Sec Router bundle with Advanced IP Services and 3G Sprint for on-the-move, secure voice/data links to headquarters. The solution’s fast-boot capabilities, stateful inspection firewall and DMVPN support deliver encrypted communications even in infrastructure-challenged environments. Outcome: Accelerated incident coordination, enhanced responder safety and reliable mission-critical data exchange.
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Product Comparison Table 
| CISCO881G-S-K9 |  CISCO888W-GN-E-K9 |  C888-K9 |  CISCO878-K9 |  CISCO861-K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Fixed | Modular | Fixed | Fixed |
| Built-in Security Features | Firewall, Intrusion Prevention | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention |
| Compliance Standards | FCC, CE | IEEE 802.3, IEEE 802.11, FCC, CE | FCC, CE, RoHS | FCC, CE | FCC / CE / RoHS |
| Connectivity Type | Wired | Wired / Wireless / Ethernet | Wired | Wired / Wireless | Wired |
| Depth | 7.48 inches | 18.5 inches | 14 inches | 7.5 inches | 7.0 inches |
| Device Type | Router | Router | Router | Router | Router |
| Ethernet Technology | 10/100 | 10/100/1000 | 10/100/1000 | 10/100 | 10/100 |
| Features | VPN, Voice, Security, Firewall, IPv6 Compatible | VPN, VoIP, IPv6 Compatible, Firewall | VPN, Firewall, IPv6 Compatible | VPN / IPv6 Compatible / Firewall / QoS | VPN / Firewall / IPv6 Compatible |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 128 MB | 256 MB | 512 MB | 128 MB | 128 MB |
| Form Factor | Desktop | Rack-mount | Rack-mount | Desktop | Desktop |
| Height | 1.44 inches | 1.7 inches | 1.75 inches | 1.0 inches | 1.0 inches |
| High Availability Support | Not Supported | Supported | Supported | Not Supported | Supported |
| Integrated Services | Voice, Video, WAN Optimization | Voice / Video / WAN Optimization | Voice, Video, WAN Optimization | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45 | RJ-45 / SFP | RJ-45, SFP | RJ-45, Combo Ports | RJ-45 |
| 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 | 512 MB | 4 GB | 256 MB | 256 MB |
| Network Protocols | IPv4, IPv6 | TCP/IP, UDP, ICMP, SNMP | IPv4, IPv6, MPLS, VPN | IPv4, IPv6 | IPv4 / IPv6 |
| Power | 24 W | 65 Watt | 150 Watts | 48W | 60W |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply / Redundant | AC Power Supply | AC Power Supply |
| Product Name | Cisco 881G-S-K9 | CISCO888W-GN-E-K9 | C888-K9 Enterprise Router | CISCO878-K9 | CISCO861-K9 Integrated Services Router |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Integrated Services Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet, SSH, SNMP | SSH, Telnet, SNMP | SSH, Telnet, SNMP | Telnet, SSH, HTTP, HTTPS | Telnet / SSH / SNMP |
| Routing Protocols | OSPF, EIGRP, RIP, BGP, Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / Static Routing | OSPF / BGP / RIP / Static Routing | OSPF / EIGRP / RIP / Static Routing |
| Stacking Capability | No | Yes | Yes | No | No |
| Throughput Capacity | 0.15 Gbps | 1 Gbps | 2 Gbps | 0.05 Gbps | 25 Mbps |
| Use Case | Small Business | Enterprise / Small Business | Enterprise | Business / Small Business | Small Business / Enterprise |
| VPN Support | IPSec | IPSec / SSL VPN | IPSec / SSL VPN | IPSec VPN | IPSec / SSL VPN |
| WAN Configuration | WAN | Dual WAN | Dual WAN | WAN | WAN |
| WAN Ports | 1 WAN | 2 WAN | 2 WAN | 1 WAN | 1 WAN |
| Weight | 4 lbs | 11.88 lbs | 7 lbs | 4 lbs | 4 lbs |
| Width | 8.66 inches | 17.2 inches | 17 inches | 9.0 inches | 8.5 inches |
| Wireless Support | No | Yes | No | Yes | No |
Compliance & Coverage
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
S
Sophia Green
5
The Cisco 881G-S-K9 router with 3G backup and advanced IP services is perfect for small to medium-sized businesses. It's reliable, secure, and offers high-speed connectivity.
L
Liam White
5
Great performance with 3G backup. Cisco 881G-S-K9 ensures fast and secure internet connectivity for our remote office and has been highly reliable.
B
Benjamin Walker
4
The Cisco 881G-S-K9 provides solid performance with 3G backup. It's a great security router that ensures continuous connectivity for our business needs.
O
Olivia Taylor
5
Cisco 881G-S-K9 is perfect for securing our network. With 3G backup and advanced IP services, it's been a reliable and easy-to-manage solution.
D
Daniel Harris
5
Cisco 881G-S-K9 delivers great security with high-performance routing. The 3G backup ensures we stay connected during internet disruptions, making it ideal for our business.
Questions & Answers
What is the Cisco 881G-S-K9 3G Sprint router bundle?
The Cisco 881G-S-K9 bundle is an integrated SEC router with 4 Fast Ethernet ports, Advanced IP Services, and 3G Sprint USB broadband support for secure, high-availability branch connectivity.
Which interfaces does the Cisco 881G-S-K9 provide?
It offers one built-in 3G Sprint USB dongle interface plus four Fast Ethernet (10/100) LAN ports and one Fast Ethernet WAN port for versatile network deployment.
How does Advanced IP Services enhance this router?
Advanced IP Services delivers enterprise-grade features—dynamic routing, MPLS, QoS, and NAT—enabling scalable VPNs, traffic prioritization, and high-performance WAN optimization.
Can I use this router as a backup connection?
Yes. The embedded 3G Sprint USB modem automatically fails over to cellular when the primary WAN link drops, ensuring continuous network availability and business continuity.
What security features are included?
Integrated security includes stateful firewall, IPsec VPN, intrusion prevention, content filtering, and secure boot, providing multi-layer defense against advanced threats.
How many VPN tunnels can the 881G-S-K9 support?
It supports up to 250 IPsec site-to-site tunnels and 10 SSL VPN sessions, allowing secure remote access and inter-branch connectivity.
Is the Cisco 881G-S-K9 easy to manage?
Management is simplified through Cisco IOS CLI, Cisco Configuration Professional GUI, and integrated Cisco Prime support, enabling rapid provisioning and centralized monitoring.
What performance can I expect from the router?
With hardware-accelerated routing and VPN encryption, it delivers up to 266 Mbps of aggregate throughput, ideal for small to medium branch offices.
What are the power options?
It operates on 12V DC input or optional switchable AC adapters (100–240V), supporting flexible power configurations for varied installation environments.
Can I expand wireless connectivity?
Yes. You can add Cisco Aironet or other compatible wireless modules to the integrated WM slots, enabling Wi-Fi access points directly from the router.
What environmental certifications does it hold?
The Cisco 881G-S-K9 meets RoHS and WEEE standards for reduced hazardous substances and end-of-life recycling compliance.
How do I update firmware and security patches?
Use Cisco Software Download Center or Cisco Prime to easily upgrade IOS images and apply security patches, ensuring up-to-date protection and features.
Does it support Quality of Service (QoS)?
Yes. The router offers granular QoS policies—classification, prioritization, shaping, and policing—ensuring critical applications like VoIP receive guaranteed bandwidth.
What warranty and support options are available?
It ships with a limited lifetime hardware warranty. Cisco Smart Net Total Care and Software Support Service offer advanced replacement, 24×7 TAC, and ongoing IOS updates.
Which deployment scenarios are ideal for this router?
Ideal for small/medium branch offices, retail stores, kiosks, and mobile or temporary sites requiring secure, resilient WAN connectivity over wired and 3G networks.
How does the Sprint 3G integration benefit my network?
Sprint 3G offers widespread coverage, quick roll-out broadband backup, and up to 14.4 Mbps downlink, ensuring uninterrupted operations when primary links fail.