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CISCO851W-G-J-K9
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- Dual E Security Router with 802.11g Japan Compliant
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CISCO851W-G-J-K9
Dual E Security Router with 802.11g Japan Complian...
$499.00
$248.00
36 in Global Warehouse
$248.00
50% off
TRUSTED, TRIED, PROVEN
CISCO851W-G-J-K9 Overview
CISCO851W-G-J-K9 is a fixed, all-in-one wireless security router designed for small business and branch office use. It features a compact desktop architecture with integrated wired and wireless services, offering industry-standard 10/100 Ethernet LAN ports and a single WAN interface. Its power options rely on an AC Power Supply, and the device is engineered for secure connectivity with built-in VPN capabilities and firewall features that ensure robust remote access and data protection.
Built to deliver reliable performance and redundancy in demanding environments, the CISCO851W-G-J-K9 supports dynamic routing protocols including OSPF, RIP, and static routing while managing integrated network functions such as NAT and VPN. Its fixed configuration, managed form factor, and dedicated wireless support (802.11g, denoted here as WiFi 3) make it ideal for small business use cases requiring dependable throughput and secure remote management via protocols like HTTP, HTTPS, Telnet, SSH, and SNMP.
What is the price of CISCO851W-G-J-K9?
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CISCO851W-G-J-K9 Specifications
| Product Type | Enterprise Router |
| VPN Support | IPSec |
| Power Source | AC Power Supply |
| Routing Protocols | OSPF / RIP / Static Routing |
| Broadband | N/A |
| Architecture | Fixed |
| WAN Configuration | WAN |
| WAN Ports | 1 WAN |
| LAN Ports | 4 LAN Ports |
| Ethernet Technology | 10/100 |
| Wi-Fi Standard | WiFi 3 |
| Connectivity Type | Wired / Wireless |
| Network Protocols | IP, TCP, UDP, ICMP, ARP |
| Remote Management | HTTP, HTTPS, Telnet, SSH, SNMP |
| Compliance Standards | FCC, CE |
| Wireless Support | Yes |
| Speed/Capacity | N/A |
| Firewall Features | Yes |
| Features | VPN / Firewall / NAT |
| Use Case | Small Business |
| Management | Managed |
| Form Factor | Desktop |
| Integrated Services | N/A |
| High Availability Support | Not Supported |
| Safety | N/A |
| EMC | N/A |
| Telecom | N/A |
| Throughput Capacity | N/A |
| QoS Features | Supported |
| Built-in Security Features | Firewall / Intrusion Prevention |
| Expansion Slots | N/A |
| Modular Slots Available | N/A |
| Stacking Capability | No |
| 5G Support | No |
| Memory | 256 MB |
| Flash Memory | 128 MB |
| Interface Ports | RJ-45 |
| Power | 24W |
| Device Type | Router |
| Product Name | Cisco 851 Wireless Security Router |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
CISCO851W-G-J-K9 Use Case
Secure Site-to-Site VPN for Remote Branch Office
A Tokyo-based financial services firm deploys the CISCO851W-G-J-K9-Dual E Security Router with 802.11g Japan Compliance to establish an always-on, AES-encrypted VPN tunnel between its head office and five regional outlets. This configuration ensures PCI-DSS adherence, low-latency transaction processing and automated failover for business continuity, delivering end-to-end data integrity and 99.99% network uptime.
PCI-Compliant Wireless Hotspot in Retail Flagship Stores
A national retail chain equips its flagship stores with the CISCO851W-G-J-K9-Dual E Security Router to offer in-store guest Wi-Fi while isolating customer traffic from point-of-sale systems. Leveraging built-in firewall, VLAN segmentation and 802.11g Japan-compliant radio, the solution meets PCI-DSS requirements, enhances customer engagement and boosts upsell conversion rates by 15% without compromising payment security.
Industrial IoT Data Aggregation in Smart Factories
A smart-manufacturing plant integrates 200+ sensors and PLCs via the CISCO851W-G-J-K9-Dual E Security Router to aggregate real-time production metrics over 802.11g. The router’s advanced threat defense, Quality of Service (QoS) and Japan-approved wireless profile guarantee predictable latency and protect SCADA traffic from cyberattacks. As a result, predictive maintenance cycles improve by 30% and unplanned downtime drops by 40%.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Fixed | Fixed | Fixed | Fixed |
| Broadband | N/A | DSL | DSL | N/A | N/A |
| Built-in Security Features | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention / N/A | Firewall, Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention |
| Compliance Standards | FCC / CE | FCC / CE / RoHS | FCC, UL | FCC, CE | FCC / CE |
| Connectivity Type | Wired | Wired / Wireless | Wired / Wireless | Wired / Wireless | Wired |
| Depth | N/A | N/A | N/A | N/A | N/A |
| Device Type | Router | Router | Router | Router | Gateway |
| EMC | FCC / CE | N/A | FCC | N/A | N/A |
| Ethernet Technology | 10/100 | 10/100 | 10/100 Mbps | 10/100 | 10/100/1000 |
| Expansion Slots | N/A | EHWIC | N/A | N/A | N/A |
| Features | VPN / IPv6 Compatible / Firewall / Syslog | VPN / Firewall / NAT / IPv6 Compatible | VPN, NAT, Firewall, Integrated Wireless | VPN / Firewall / NAT | VPN / IPv6 Compatible / Firewall |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 128 MB | 128 MB | 256 MB | 128 MB | 256 MB |
| Form Factor | Desktop | Desktop | Desktop | Desktop | Desktop |
| Height | N/A | N/A | N/A | N/A | N/A |
| High Availability Support | Supported | Not Supported | Not Supported | Not Supported | Supported |
| Integrated Services | Voice | Voice / Video / N/A | Voice, Data, Wireless, Security | N/A | Voice / Video |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | RJ-45 | 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 | 1 Slot | N/A | N/A | N/A |
| Network Protocols | IPv4 / IPv6 | IPv4 / IPv6 / TCP/IP / UDP / ICMP | TCP/IP | IP, TCP, UDP, ICMP, ARP | IPv4 / IPv6 / MPLS |
| Power | 35 W | 36 W | 65 Watts | 24W | 65 W |
| Power Source | AC Power Supply | AC Power Supply | External AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | CISCO886-SEC-K9 | CISCO881W-GN-E-K9 | Cisco 877W Integrated Services Router | Cisco 851 Wireless Security Router | Cisco 892 Wireless Aggregation Gateway |
| Product Type | Branch Router | Enterprise Router | Integrated Services Router | Enterprise Router | Gateway |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet / SSH / SNMP | Telnet / SSH / SNMP | SSH, Telnet, SNMP | HTTP, HTTPS, Telnet, SSH, SNMP | CLI / SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / BGP / Static Routing | OSPF / RIP / Static Routing | OSPF / BGP / Static Routing |
| Safety | UL / CE | N/A | UL | N/A | N/A |
| Speed/Capacity | Gigabit | N/A | Fast Ethernet | N/A | Gigabit |
| Stacking Capability | No | No | No | No | No |
| Telecom | FCC / CE | N/A | N/A | N/A | N/A |
| Throughput Capacity | 0.3 Gbps | 0.035 Gbps | 15 Mbps | N/A | 1 Gbps |
| Use Case | Enterprise | Small Business | Small Business / Branch Office | Small Business | Enterprise |
| VPN Support | IPSec VPN / SSL VPN | IPSec / SSL VPN / N/A | IPSec | IPSec | IPSec |
| WAN Configuration | Dual WAN | WAN | Single WAN | WAN | Dual WAN |
| WAN Ports | 2 WAN | 1 WAN | 1 WAN | 1 WAN | 2 WAN |
| Weight | N/A | N/A | N/A | N/A | N/A |
| Wi-Fi Standard | N/A | WiFi 4 | 802.11b/g/n | WiFi 3 | WiFi 5 |
| Width | N/A | N/A | N/A | N/A | N/A |
| Wireless Support | No | Yes | Yes | Yes | Yes |
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Questions & Answers
Q
What is the Cisco CISCO851W-G-J-K9 Dual E Security Router?
A
The Cisco CISCO851W-G-J-K9 is a Japan-compliant security router with Dual Ethernet interfaces and integrated 802.11g wireless, designed to secure and connect small offices and branch locations.
Q
What wireless standard and speeds does the CISCO851W-G-J-K9 support?
A
The router supports IEEE 802.11g wireless at up to 54 Mbps, providing reliable Wi-Fi connectivity for legacy and standard devices in compliance with Japanese radio regulations.
Q
How many Ethernet ports are available and what speeds do they offer?
A
It features two 10/100 Mbps Fast Ethernet ports—one WAN and one LAN—for high-speed wired connectivity and network segmentation.
Q
What advanced security features are integrated into this router?
A
Built-in security includes Stateful Packet Inspection (SPI) firewall, intrusion prevention, URL filtering, and Denial‐of‐Service (DoS) protection to safeguard network traffic.
Q
Does the CISCO851W-G-J-K9 support VPN connectivity?
A
Yes, it supports IPSec VPN with DES, 3DES and AES encryption, enabling secure site-to-site and remote access tunnels for mobile and branch users.
Q
Is the CISCO851W-G-J-K9 compliant with Japanese regulations?
A
The router is fully certified under Japan’s TELEC standards for wireless equipment and meets local safety and EMC requirements.
Q
What management interfaces are available for configuration?
A
Configuration can be performed via Cisco IOS CLI, web-based GUI, or Cisco Configuration Professional, offering flexible management for administrators.
Q
How easy is installation and initial setup?
A
The device features a guided setup wizard in the web GUI and supports Cisco IOS auto-install scripts, enabling rapid deployment in under 15 minutes.
Q
What is the maximum routing throughput of this router?
A
The Cisco CISCO851W-G-J-K9 delivers up to 35 Mbps of IPSEC VPN throughput and 90 Mbps of NAT performance under typical branch-office loads.
Q
What are the power requirements and consumption levels?
A
It operates on 12 VDC at 1.5 A, consuming approximately 12 W under full load, and includes an external power adapter for easy replacement.
Q
Does the router support IPv6?
A
Yes, it offers full dual-stack IPv4 and IPv6 routing, including IPv6 Ethernet bridging and IPSec for next-generation network compatibility.
Q
Can the CISCO851W-G-J-K9 be rack-mounted?
A
The compact desktop form factor is designed for horizontal placement; optional rack-mount kits are available through Cisco parts distributors.
Q
What environmental specifications does this router meet?
A
Operating temperature ranges from 0°C to 40°C (32°F to 104°F) with 10–90% non‐condensing humidity, ideal for standard office and telecommuter environments.
Q
What warranty and technical support does Cisco offer?
A
Cisco provides a limited lifetime warranty for the hardware and 90 days of complimentary technical support, with optional SMARTnet service for extended coverage.
Q
Who is the ideal user for the CISCO851W-G-J-K9 router?
A
This router is ideal for small offices, branch sites, and teleworkers in Japan requiring secure VPN access, reliable 802.11g connectivity, and enterprise-grade firewall protection.
