Networking

Networking & Wi-Fi: A Comprehensive Guide

Demystifying your home and small business network.

What is Networking?

At its core, a computer network is a group of interconnected devices that can communicate with each other. This includes everything from your smartphone and laptop to your smart TV and gaming console. A network allows these devices to share resources and access the internet. A router is the “traffic controller” of your network, directing data to the right place, while Wi-Fi provides the wireless connection.  To ensure all of your devices have the best performance you need to have a robust network.

Essential Components of a Robust Network

To create a robust home network, you need several key components working together to provide reliable and fast internet access throughout your home. The core of any good setup includes a modem, a router, and an optional but highly recommended network switch. Other components like Wi-Fi extenders or mesh systems can also be used to improve wireless coverage.


Core Network Hardware

  • Modem: This is the gateway to the internet. The modem connects your home network to your Internet Service Provider (ISP). It translates the signals from your ISP (e.g., cable, DSL, fiber) into an Ethernet signal that your router can use.  This is typically provided by your ISP, but most provides do allow you to provide your own.
  • Router: The router acts as the traffic cop of your network. It connects to the modem and directs data packets between your devices and the internet. A router also assigns a unique IP address to each device on your network, allowing them to communicate with each other. Most modern routers include built-in Wi-Fi capabilities, allowing both wired and wireless devices to connect.
  • Network Switch: For homes with many wired devices (like smart TVs, gaming consoles, or desktop computers), a network switch is essential. A switch expands the number of available wired connections beyond what your router provides. It’s much more efficient than using a series of hubs, as it only sends data to the specific device that needs it, reducing network congestion.
  • An Access Point (AP) is a networking device that creates a wireless local area network (WLAN). Unlike a router, which manages traffic and assigns IP addresses, an access point’s primary function is to simply extend an existing wired network to include wireless devices.

    An access point connects to your router or network switch via an Ethernet cable and broadcasts a Wi-Fi signal. This allows devices like smartphones, laptops, and smart TVs to connect to the network wirelessly, even if they’re far from the main router. They are particularly useful for large homes, multi-story buildings, or offices where a single router’s signal can’t provide sufficient coverage.


Expanding Wireless Coverage
  • Wi-Fi Extenders (Repeaters): These devices capture an existing Wi-Fi signal and rebroadcast it. While they can extend coverage, they often do so at the cost of speed and can create a new network name, which can be inconvenient.
  • Mesh Wi-Fi Systems: A more modern and effective solution for larger homes. A mesh system consists of a main router and several satellite nodes placed strategically around the house. They all operate under a single network name, providing seamless coverage as you move from one part of your home to another. They also intelligently route traffic to ensure the best possible connection for each device.

Ubiquiti UniFi: Power & Control

Ubiquiti’s UniFi platform is a professional-grade networking solution known for its powerful features and centralized management. It’s often used in small to medium-sized businesses and by tech enthusiasts who want granular control over their network.

  • Modular System: UniFi is not a single device, but a suite of components like access points, switches, and security gateways that work together. You can build a system tailored to your specific needs.
  • Centralized Management: All UniFi devices are managed from a single “UniFi Controller” interface, which can be run on a dedicated device (like a Cloud Key) or on a computer. This gives you a single pane of glass to monitor and configure your entire network.
  • Advanced Features: UniFi offers deep customization, including multiple Wi-Fi networks (SSIDs), VLANs for network segmentation, detailed performance metrics, and advanced security settings.
  • Scalability: It’s easy to expand your network by adding more UniFi access points or other devices as your needs grow.

Best for those who need fine-grained control, advanced features, and are comfortable with a more hands-on setup process.

Eero: Simplicity & Coverage

Eero is a leader in mesh Wi-Fi systems, designed with simplicity and ease of use in mind. It’s ideal for homes and users who want great Wi-Fi coverage without the complexity of a pro-level system.
  • Mesh Technology: Eero uses a mesh network, where multiple Eero nodes communicate with each other to create a single, seamless Wi-Fi network that blankets your entire home.
  • Effortless Setup: The system is famous for its simple setup, which is guided entirely by a user-friendly mobile app. You can have your whole-home network up and running in minutes.
  • Self-Optimizing: Eero intelligently manages your network, automatically steering devices to the best Wi-Fi band and node for optimal performance.
  • Built-in Security: Many Eero models come with advanced security features, like threat detection and content filtering, as part of a subscription service.

Best for users who prioritize simplicity, wide-ranging coverage, and a “set it and forget it” experience.

UniFi vs. Eero: A Quick Comparison

Feature Ubiquiti UniFi Eero
Primary Goal Power & Control Simplicity & Coverage
Target User Prosumers, IT Admins, Tech Enthusiasts General Home Users
System Type Modular Component-based System Mesh Wi-Fi System
Setup & Management Requires a controller, more complex setup Mobile app-guided, very easy
Cost Model Typically a one-time hardware cost Hardware cost, plus optional subscription for advanced features