Cisco ISR Wireless Router CISCO871W-G-A-K9

Wireless Standard: 802.11g

Enhanced Speed and Range

The Cisco CISCO871W-G-A-K9 Integrated Services Router Wireless is equipped with the 802.11g wireless standard, which offers users significant benefits in terms of speed and range. With a maximum data transfer rate of up to 54 Mbps, this router enables faster and more efficient communication between devices on your network. Whether you are streaming high-definition videos, playing online games, or transferring large files, the 802.11g standard ensures a smooth and uninterrupted experience.

Cisco 871 Integrated Services Router

Product Specifications and Features

General Information

• Manufacturer: Cisco
• Model Number: CISCO871W-G-A-K9
• Product Series: 870
• Type: Wireless Router with Integrated 4-Port Switch

Router Specifications

• Default DRAM: 128 MB
• Maximum DRAM: 256 MB
• Default Flash Memory: 24 MB (28 MB with Advanced IP Services Feature Set)
• Maximum Flash Memory: 52 MB

Physical Characteristics

• Dimensions (H x W x D): 2.00 x 10.25 x 8.50 inches
• Weight: 2.10 lbs

Connectivity and Interfaces

Network Ports

• WAN Ports: 1 x 10/100M WAN; 4 x 10/100M LAN
• WAN Interface: 10/100 Mbps Fast Ethernet
• LAN Interfaces: 4-port 10/100 FE managed switch

Wireless Capabilities

• 802.11g/n Support: Yes (Cisco 871W model)
• Wireless Data Rates: Up to 54 Mbps
• Security: WPA/WPA2 encryption

Additional Features

• USB Ports: 2 USB 2.0 ports (specific to Cisco 871), not for general external device connectivity
• Console Port: RJ-45
• LED Indicators: PPP, VPN, ADSL, G.SHDSL, WLAN, LAN
• External Power Supply: Universal 100 to 240 VAC
• Inline PoE: Optional external adapter available for inline PoE, suitable for IP phones or external wireless access points

Performance and Capabilities

Memory and Storage

• Default DRAM: 128 MB
• Maximum DRAM Capacity: 256 MB
• Default Flash Storage: 24 MB, expandable to 52 MB

Wireless and Network Performance

• Wireless Standard: 802.11g/n
• Maximum Wireless Speed: Up to 54 Mbps
• Network Security: Supports WPA and WPA2 protocols

Compatibility and Use Cases

Ideal Applications

• Suitable for small to medium-sized businesses needing reliable wireless connectivity and integrated switching capabilities.
• Efficient for environments requiring secure network access with robust wireless performance.

Compatibility

• Compatible with Cisco’s network devices and services, enhancing overall network performance and integration.

In addition to speed, the 802.11g standard also provides an extended range for wireless connectivity. By utilizing multiple antennas and advanced signal processing techniques, this router can reach greater distances compared to older wireless standards. This means that you can enjoy reliable connectivity throughout your home or office, even in areas that were previously considered dead zones.

Backward Compatibility

One of the key advantages of the 802.11g standard is its backward compatibility with older wireless standards such as 802.11b. This means that you can seamlessly connect devices that support different wireless standards to the Cisco CISCO871W-G-A-K9 router. Whether you have older laptops, smartphones, or IoT devices, they can all connect to the router without any issues. This flexibility ensures that you can easily integrate new devices into your network without worrying about compatibility.

Interference Mitigation

Wireless networks often face interference from various sources such as neighboring Wi-Fi networks, cordless phones, and microwave ovens. The 802.11g standard incorporates advanced technologies like Orthogonal Frequency Division Multiplexing (OFDM) to mitigate interference and improve the overall performance of your network.

By using OFDM, the Cisco CISCO871W-G-A-K9 router can transmit data over multiple subcarriers simultaneously, which helps to minimize the impact of interference. This results in a more stable and reliable wireless connection, allowing you to enjoy uninterrupted internet access and smooth multimedia streaming.

Compatibility with Modern Devices

While the 802.11g standard may not be the latest wireless standard available today, it is still widely supported by modern devices. Most laptops, smartphones, tablets, and other consumer electronics are designed to be compatible with 802.11g networks. This means that you can easily connect your devices to the Cisco CISCO871W-G-A-K9 router without worrying about compatibility issues.

Furthermore, the 802.11g standard offers a good balance between speed and power consumption, making it an ideal choice for mobile devices. By utilizing this standard, you can ensure that your wireless network is accessible to a wide range of devices, providing seamless connectivity for all your gadgets.

Security Protocol: WPA, WPA2

Robust Encryption

The Cisco CISCO871W-G-A-K9 Integrated Services Router Wireless incorporates the WPA (Wi-Fi Protected Access) and WPA2 security protocols to ensure the confidentiality and integrity of your wireless communications. These protocols employ advanced encryption algorithms such as TKIP (Temporal Key Integrity Protocol) and AES (Advanced Encryption Standard) to protect your data from unauthorized access.

With WPA and WPA2, you can have peace of mind knowing that your sensitive information, such as passwords, financial transactions, and personal data, is encrypted and secure from potential attackers. This is especially important in today's digital landscape where cyber threats are becoming increasingly sophisticated.

User Authentication

In addition to encryption, the WPA and WPA2 protocols also provide robust user authentication mechanisms. This means that only authorized users with the correct credentials can gain access to your wireless network. By implementing strong authentication methods such as pre-shared keys (PSK) or 802.1X/EAP (Extensible Authentication Protocol), the Cisco CISCO871W-G-A-K9 router ensures that only trusted individuals can connect to your network.

By preventing unauthorized access, these security protocols help safeguard your network from malicious activities such as unauthorized data interception, device impersonation, and network intrusion. This is crucial for protecting your confidential business information, preventing identity theft, and maintaining the privacy of your personal communications.

Protection against Wi-Fi Attacks

Wireless networks are vulnerable to various types of attacks, such as eavesdropping, spoofing, and denial-of-service (DoS) attacks. The WPA and WPA2 protocols implemented in the Cisco CISCO871W-G-A-K9 router provide robust countermeasures against these attacks.

For example, WPA and WPA2 use cryptographic keys that are dynamically generated and regularly rotated. This prevents attackers from decrypting captured data even if they manage to intercept it. Additionally, these protocols have built-in mechanisms to detect and mitigate DoS attacks, ensuring that your network remains operational even under heavy traffic or malicious attempts to disrupt it.

Ports: 4 x Ethernet

Wired Connectivity

While wireless connectivity offers convenience and flexibility, there are situations where a wired connection is still preferred or necessary. The Cisco CISCO871W-G-A-K9 Integrated Services Router Wireless comes equipped with four Ethernet ports, enabling you to connect devices directly to the router using Ethernet cables.

These Ethernet ports provide a reliable and stable connection for devices that require high bandwidth or have limited wireless capabilities. For example, gaming consoles, desktop computers, and network-attached storage (NAS) devices can benefit from a wired connection, as it eliminates the potential for wireless interference and ensures consistent performance.

Network Expansion

The four Ethernet ports on the Cisco CISCO871W-G-A-K9 router also allow you to expand your network by connecting additional devices. Whether you need to add more computers, printers, or IP cameras, the availability of multiple Ethernet ports makes it easy to integrate new devices into your network infrastructure.

Furthermore, these ports support fast Ethernet (10/100 Mbps) speeds, which are sufficient for most home and small office environments. You can rely on these ports to handle the demands of data-intensive applications, such as video streaming, file sharing, and online gaming.

Simplified Setup

Setting up a wired connection is often simpler and more straightforward compared to configuring a wireless connection. With the four Ethernet ports on the Cisco CISCO871W-G-A-K9 router, you can easily connect your devices without the need for additional setup or configuration.

This is particularly beneficial for users who are not familiar with wireless networking or prefer the simplicity of a wired setup. By providing multiple Ethernet ports, this router caters to a wide range of users with different preferences and requirements.

VPN Support: Yes

Secure Remote Access

Virtual Private Network (VPN) support is a crucial feature for users who require secure remote access to their network resources. Whether you need to access files on your office network while working from home or connect to your business network while traveling, the Cisco CISCO871W-G-A-K9 router has you covered.

By utilizing VPN technology, this router allows you to establish an encrypted tunnel between your device and the network, ensuring that your data remains secure and private even when transmitted over untrusted networks such as the internet. This is especially important when dealing with sensitive information or when accessing resources that are subject to regulatory compliance requirements.

Flexibility and Compatibility

The VPN support in the Cisco CISCO871W-G-A-K9 router is compatible with a wide range of VPN protocols, including IPsec (Internet Protocol Security), PPTP (Point-to-Point Tunneling Protocol), and L2TP (Layer 2 Tunneling Protocol). This ensures that you can connect to your network using various VPN clients and devices, providing flexibility and compatibility for different user requirements.

Whether you are using a Windows, Mac, or Linux device, or if you have a smartphone or tablet running iOS or Android, you can easily configure a VPN connection to the Cisco CISCO871W-G-A-K9 router. This versatility allows you to work securely from any location and with any device of your choice.

Improved Network Performance

In addition to secure remote access, VPN support can also improve network performance for certain applications. By utilizing VPN protocols like IPsec, the Cisco CISCO871W-G-A-K9 router can prioritize and optimize network traffic, ensuring that critical data is transmitted efficiently.

For example, if you are using VoIP (Voice over IP) or video conferencing applications over a VPN connection, the router can prioritize these real-time communication streams to minimize latency and improve call quality. This is especially beneficial for businesses that rely on remote collaboration or have employees spread across multiple locations.

Antenna Type: Internal

Sleek Design

The Cisco CISCO871W-G-A-K9 Integrated Services Router Wireless features internal antennas, which contribute to its sleek and compact design. Unlike external antennas that protrude from the router's body, internal antennas are hidden within the device, creating a clean and uncluttered appearance.

This design aesthetic is particularly appealing for users who value a neat and organized workspace. Whether you place the router in a visible location or tuck it away in a cabinet, the internal antennas ensure that the Cisco CISCO871W-G-A-K9 router blends seamlessly with its surroundings.

Improved Signal Distribution

Internal antennas are strategically positioned within the router to optimize signal distribution. By eliminating the need for external antennas, the Cisco CISCO871W-G-A-K9 router ensures that the wireless signal is evenly distributed across your home or office.

This results in a more consistent and reliable wireless connection, as there are no dead spots or areas with weak signal strength. Whether you are in the same room as the router or several rooms away, you can expect a stable and high-quality wireless experience.

Reduced Risk of Damage

External antennas are more susceptible to physical damage, such as accidental bumps or knocks. With internal antennas, the Cisco CISCO871W-G-A-K9 router offers increased durability and reduces the risk of antenna breakage.

This is particularly important in environments where the router may be subject to frequent movement or handling. By eliminating external antennas, you can have peace of mind knowing that your router is less prone to damage, ensuring uninterrupted wireless connectivity for your devices.

Power Supply: AC 120/230 V (50/60 Hz)

Universal Compatibility

The Cisco CISCO871W-G-A-K9 Integrated Services Router Wireless is designed to work with a wide range of power supplies. With support for AC 120/230 V (50/60 Hz), this router can be used in various countries and regions without the need for additional power adapters or converters.

Whether you are traveling abroad or relocating to a different country, you can simply plug in the Cisco CISCO871W-G-A-K9 router into a compatible power outlet and start using it immediately. This universal compatibility ensures that you can enjoy seamless connectivity wherever you go.

Reliable Power Source

The AC power supply provides a stable and reliable source of power for the Cisco CISCO871W-G-A-K9 router. Unlike battery-powered routers or devices that rely on USB power, this router can operate continuously without the need for frequent battery changes or recharging.

This is particularly advantageous in situations where a consistent and uninterrupted internet connection is essential. By using an AC power supply, you can rely on the Cisco CISCO871W-G-A-K9 router to remain powered on and keep your network up and running at all times.

Scalability

The AC power supply of the Cisco CISCO871W-G-A-K9 router supports the power requirements of multiple devices connected to the router. Whether you have numerous wireless devices, wired devices, or a combination of both, this router can handle the power demands without compromising performance.

Furthermore, the AC power supply enables you to expand your network by connecting additional routers or networking equipment. This scalability ensures that your network infrastructure can grow along with your business or personal needs, providing a future-proof solution for your connectivity requirements.