Cisco ISR C819HG-4G-G-K9 Wireless Integrated Services Router

Wireless Standard

The Cisco C819HG-4G-G-K9 Wireless Integrated Services Router is equipped with the 802.11n wireless standard, which offers numerous benefits and is of great importance for users. In this section, we will explore the advantages and significance of this feature in detail.

Product Overview

The Cisco C819HG-4G-G-K9 is a high-performance wireless integrated services router, ideal for various networking needs. It belongs to the Cisco 800 Series and is specifically designed to offer reliable 4G LTE connectivity worldwide.

Manufacturer and Model Information

• Manufacturer: Cisco
• Model Number: C819HG-4G-G-K9
• Product Line: Cisco 800 Series
• Product Name: C819 Hardened 4G LTE Global
• Type: Wireless Integrated Services Router

Technical Specifications

Device Characteristics

• Device Type: Router with integrated 4-port switch
• Enclosure: Desktop
• Connectivity: Wired
• Data Link Protocols: Ethernet, Fast Ethernet
• Mounting Options: Wall Mountable, Desktop

Connectivity and Performance

• Broadband Technology: Cellular
• Cellular Standards: LTE and WCDMA across multiple bands
• Cellular Data Technologies: UMTS, HSPA
• Total Antennas: 2 Dipole Antennas
• Antenna Connector: TNC Connector

Interface and Ports

• Network Ports: 4 RJ-45
• Serial Ports: Yes
• USB Ports: Yes
• Management Port: Yes
• Broadband Port: 1 RJ-45

Environmental Specifications

• Operating Temperature Range: -13 °F to 140 °F

Management and Protocols

• Management Tools: MIB, VLAN, SNMP (v1, v2, v3), Telnet, Web-based Management, DHCP, Cisco IOS Embedded Event Manager, Cisco Security Manager, Cisco Configuration Professional, CiscoWorks
• Security Features: L2TP, VPN, DES, 3DES, AES (128/192/256 bit), PKI, IPsec, NAT, SIP, Adaptive Control Technology, Firewall, Content Filtering, IPS, RADIUS, TACACS+

Advanced Features

• Quality of Service (QoS): Yes
• Traffic Management: DiffServ, LLQ, CBWFQ, WFQ
• Security & Filtering: MAC Address Filtering, Intrusion Prevention System (IPS), Content Filtering
• VPN Capabilities: Dynamic Multipoint VPN (DMVPN)
• Other Features: Auto-Uplink (Auto MDI/MDI-X), IGMP Snooping, Spanning Tree Protocol (STP) support, Access Control List (ACL) support, IPv6 Support, Virtual Route Forwarding-Lite (VRF-Lite), DNS Proxy, DHCP Relay, DHCP Client

Compliance and Standards

• Compliance: IEEE 802.1D, IEEE 802.1Q, IEEE 802.1x, and several international standards
• Certifications: UL 60950-1 Second Edition, IEC 60950-1 Second Edition, MIL-STD 810G, and more
• Environmental Ratings: IP41

Power and Compatibility

• Power Source: AC Adapter
• Included Accessories: 2 x Multiband 4G LTE Swivel-mount Dipole Antennas

Enhanced Speed and Performance

With 802.11n, users can experience significantly faster wireless speeds compared to previous standards. The router's support for multiple-input multiple-output (MIMO) technology allows for the use of multiple antennas, resulting in improved data throughput and reduced signal interference. This translates to a more reliable and efficient wireless connection, enabling smooth streaming, faster downloads, and seamless browsing.

Increased Range and Coverage

One of the key advantages of 802.11n is its ability to provide extended coverage and better range compared to older wireless standards. The incorporation of MIMO technology enhances signal strength and minimizes dead spots, ensuring that users can enjoy a stable connection even in larger homes or office spaces. This increased range allows for greater flexibility in device placement, reducing the need for additional access points or range extenders.

Compatibility with Legacy Devices

Another noteworthy benefit of 802.11n is its backward compatibility with older wireless standards such as 802.11b/g. This means that devices using older Wi-Fi standards can still connect to the router and take advantage of its superior speed and range capabilities. As a result, users do not need to replace all their existing devices to benefit from the enhanced performance offered by 802.11n.

Improved Reliability and Stability

802.11n utilizes advanced technologies like channel bonding and packet aggregation to enhance reliability and stability. Channel bonding combines multiple channels to create a wider data path, increasing overall bandwidth and reducing the chances of congestion. Packet aggregation, on the other hand, combines multiple small packets into a single larger packet, reducing overhead and improving transmission efficiency. These features contribute to a more stable and consistent wireless connection, minimizing interruptions and ensuring a smoother user experience.

In summary, the 802.11n wireless standard in the Cisco C819HG-4G-G-K9 router offers enhanced speed, increased range, compatibility with legacy devices, and improved reliability. These benefits make it an essential feature for users who require fast and reliable wireless connectivity for their homes or businesses.

Security Protocol

The Cisco C819HG-4G-G-K9 router incorporates the WPA2 security protocol, which is widely recognized as one of the most secure options available for wireless networks. In this section, we will delve into the benefits and importance of this feature for users.

Robust Encryption

WPA2 utilizes the Advanced Encryption Standard (AES) algorithm, which provides strong encryption for data transmitted over the wireless network. This ensures that sensitive information such as passwords, financial data, and personal details are protected from unauthorized access or interception. With WPA2, users can have peace of mind knowing that their data is secure and cannot be easily compromised.

Authentication Mechanisms

WPA2 incorporates robust authentication mechanisms to ensure that only authorized devices can connect to the network. It employs a four-way handshake process that verifies both the client device and the access point before granting access. This prevents unauthorized devices from joining the network and helps safeguard against potential attacks or unauthorized access attempts.

Enterprise-Grade Security

WPA2 is considered an enterprise-grade security protocol due to its strong encryption and authentication mechanisms. It is widely used in corporate environments where data confidentiality is crucial. By implementing WPA2 in a home or small business setting with the Cisco C819HG-4G-G-K9 router, users can enjoy the same level of security that is typically associated with enterprise networks.

Compatibility with Older Devices

One of the advantages of WPA2 is its backward compatibility with older devices that support WPA. This means that even if some devices in the network do not have WPA2 capabilities, they can still connect to the router and benefit from the enhanced security provided by WPA2. This ensures that users do not need to replace all their devices to maintain a secure network environment.

To summarize, the WPA2 security protocol in the Cisco C819HG-4G-G-K9 router offers robust encryption, strong authentication mechanisms, enterprise-grade security, and compatibility with older devices. These features make it an essential component for users who prioritize network security and want to protect their data from unauthorized access or interception.

Ports

The Cisco C819HG-4G-G-K9 router features 4 x LAN and 1 x WAN ports, which play a crucial role in enabling connectivity and facilitating network expansion. In this section, we will explore the benefits and importance of these ports for users.

LAN Ports for Local Network Connectivity

The four LAN ports provided by the router allow users to connect multiple local devices directly to the network. These devices can include computers, printers, gaming consoles, or other networking equipment. By utilizing these LAN ports, users can create a wired local area network (LAN) that offers reliable and high-speed connections between devices. This is particularly useful in scenarios where wired connections are preferred or required due to factors such as device location or bandwidth-intensive applications.

WAN Port for Internet Connectivity

The WAN port on the Cisco C819HG-4G-G-K9 router serves as the gateway for connecting to the internet. It allows users to establish a connection with their internet service provider (ISP) and access the internet. The WAN port is typically connected to a modem or an existing network infrastructure, enabling users to bridge the gap between their local network and the internet. This port is essential for users who rely on internet connectivity for various tasks such as web browsing, online gaming, video streaming, and cloud-based applications.

Expansion Possibilities

The presence of multiple LAN ports on the router offers expansion possibilities for users who require additional wired connections. These ports can be used to connect additional networking devices or to extend the local network by adding more devices. By providing multiple LAN ports, the Cisco C819HG-4G-G-K9 router allows users to easily scale their network infrastructure to accommodate growing connectivity needs.

Flexibility in Network Configuration

The combination of LAN and WAN ports in the Cisco C819HG-4G-G-K9 router provides flexibility in network configuration. Users have the option to connect devices directly to the LAN ports for a wired connection or utilize the WAN port for internet connectivity. This flexibility allows users to tailor their network setup based on their specific requirements, ensuring optimal performance and compatibility with various devices.

In summary, the 4 x LAN and 1 x WAN ports in the Cisco C819HG-4G-G-K9 router offer enhanced local network connectivity, internet access capabilities, expansion possibilities, and flexibility in network configuration. These features make it an ideal choice for users who need a versatile and scalable networking solution.

Antennas

The Cisco C819HG-4G-G-K9 router is equipped with internal antennas, which provide several benefits and are of great importance for users. In this section, we will explore the advantages and significance of this feature in detail.

Space-Saving Design

The integration of internal antennas in the router eliminates the need for external antennas, resulting in a more compact and space-saving design. This is particularly useful in environments where space is limited or aesthetics are a concern. The absence of external antennas also reduces the risk of accidental damage or misalignment, ensuring a more reliable and hassle-free wireless connection.

Improved Signal Coverage

Internal antennas are strategically positioned within the router's housing to provide optimal signal coverage. The design and placement of these antennas are carefully engineered to maximize wireless signal propagation and minimize signal degradation. This ensures that users can enjoy a strong and consistent wireless connection throughout their home or office, even in areas that are farther away from the router.

Reduced Interference

Internal antennas offer improved resistance to interference from surrounding devices or obstacles compared to external antennas. By being positioned within the router's enclosure, the antennas are shielded from potential sources of interference, resulting in a cleaner and more reliable signal. This is especially beneficial in environments with numerous wireless devices or dense populations, as it helps maintain a stable connection and minimizes performance degradation.

Enhanced Aesthetics

The integration of internal antennas in the Cisco C819HG-4G-G-K9 router enhances its overall aesthetics by providing a sleek and streamlined appearance. This is particularly important for users who prioritize a visually appealing setup or wish to integrate the router seamlessly into their existing décor. The absence of protruding external antennas allows for a cleaner and more visually pleasing installation.

In summary, the internal antennas in the Cisco C819HG-4G-G-K9 router offer a space-saving design, improved signal coverage, reduced interference, and enhanced aesthetics. These features make it an excellent choice for users who value both performance and appearance in their networking equipment.

VPN Support

The Cisco C819HG-4G-G-K9 router provides support for one VPN (Virtual Private Network) connection, which offers several benefits and is of great importance for users. In this section, we will explore the advantages and significance of this feature in detail.

Enhanced Security and Privacy

A VPN connection provides an encrypted tunnel between the user's device and the destination network, ensuring that all data transmitted over the internet is secure and private. By utilizing a VPN, users can protect their sensitive information from potential eavesdropping or interception by unauthorized individuals. This is particularly important when accessing the internet through insecure or public Wi-Fi networks, as it helps safeguard against potential threats and maintain privacy.

Access to Restricted Content

VPNs can enable users to bypass geographical restrictions and access content that may be blocked or unavailable in their location. By connecting to a VPN server located in a different region, users can appear as if they are accessing the internet from that specific location. This can be beneficial for accessing region-specific content, streaming services, or websites that may be restricted based on geographical boundaries.

Secure Remote Access

VPN support in the Cisco C819HG-4G-G-K9 router allows users to establish secure remote access connections to their home or office networks. This is particularly useful for individuals who need to access their files, resources, or devices remotely. By connecting to the VPN, users can securely access their network resources from anywhere in the world, ensuring productivity and convenience even when away from the physical network.

Business Applications

VPNs are commonly used in business environments to provide secure connections between remote offices or employees working from home. By utilizing the VPN support in the Cisco C819HG-4G-G-K9 router, businesses can establish a secure and private network infrastructure that allows for seamless communication and collaboration. This is essential for maintaining data confidentiality, protecting sensitive information, and ensuring secure remote access to company resources.

In summary, the VPN support in the Cisco C819HG-4G-G-K9 router offers enhanced security and privacy, access to restricted content, secure remote access, and business applications. These features make it an indispensable tool for users who prioritize data security, privacy, and flexibility in accessing online resources.