Complete Router Buying Guide: Types, Functions, and Essential Tips for Choosing the Best Router

In today’s digital age, routers have become an indispensable part of our lives, enabling seamless connectivity across homes, offices, and public spaces. Whether you’re a tech enthusiast or a casual user, understanding routers can help you make informed decisions. This guide will dive into the essential aspects of routers, including their types, working principles, and factors to consider when purchasing one.

What is a Router?

A router is a networking device that connects multiple devices to the internet or a private network, directing data packets efficiently between devices and networks.

Primary Functions of a Router:

1. Data Distribution: Routes data packets between devices and networks.
2. Network Security: Provides a firewall to protect against unauthorized access.
3. IP Address Assignment: Allocates unique IP addresses to connected devices.
4. Wireless Connectivity: Enables Wi-Fi access for wireless devices.

Types of Routers

1. Wireless Routers

• Provide Wi-Fi connectivity to devices such as smartphones, laptops, and smart home devices.
• Best for homes and small businesses.
• Example: Dual-band or tri-band routers like TP-Link Archer A7 or Asus RT-AC88U.

2. Wired Routers

• Connect devices via Ethernet cables for stable and high-speed connections.
• Ideal for office environments requiring reliability.

3. Core Routers

• Designed for large-scale networks like ISPs (Internet Service Providers).
• Handle massive amounts of data traffic efficiently.

4. Edge Routers

• Placed at the boundary of networks to manage traffic between external and internal networks.
• Ensures network security and smooth data transfer.

5. VPN Routers

• Integrates Virtual Private Network (VPN) features for secure and encrypted connections.
• Perfect for remote work and privacy-conscious users.

6. Pocket Routers

Portable and compact, pocket routers are battery-powered and equipped with SIM slots. They provide mobility and convenience, especially during travel.

7. Mesh Routers

Mesh systems create a seamless Wi-Fi network across large areas by linking multiple routers. Ideal for extensive office spaces or homes.

8.Gigabit Routers

These routers deliver speeds up to 1,000 Mbps, offering a significant upgrade for heavy internet usage or gaming.

9. 4G Routers

A 4G router is a portable device that uses a SIM card to connect to 4G LTE networks, providing reliable internet for multiple devices.

• Portability: Compact and easy to carry.
• SIM Card Support: Connect directly to mobile networks.
• Wi-Fi Hotspot: Share internet with multiple devices.
• Speed: Up to 150 Mbps for downloads and 50 Mbps for uploads.

Key Features to Look for in a Router

1. Speed (Bandwidth):

• Routers are classified by speed, typically measured in Mbps or Gbps.
• Example: AC1200 (1,200 Mbps), AX6000 (6,000 Mbps).

2. Frequency Bands:

• Single-Band Routers: Operate on a 2.4 GHz frequency, suitable for basic tasks.
• Dual-Band Routers: Provide both 2.4 GHz and 5 GHz frequencies, reducing interference.
• Tri-Band Routers: Offer an additional 5 GHz band for better performance in crowded networks.

3. Coverage Range:

• Measured in square feet, ensuring adequate signal strength throughout your home or office.

4. Security Protocols:

• Look for WPA3 encryption for enhanced security.
• Features like parental controls and guest networks improve usability and safety.

5. Ports and Connectivity:

• Make sure the router includes enough LAN and WAN ports.
• USB ports are useful for sharing printers or storage devices.

How to Choose the Right Router for Your Needs

For Home Users:

• Opt for dual-band wireless routers with moderate speed and good coverage.
• Example: TP-Link Archer C7.

For Gamers:

• Choose a router with low latency and QoS (Quality of Service) features to prioritize gaming traffic.
• Example: Netgear Nighthawk Pro Gaming XR500.

For Offices:

• A robust wired router or a VPN router for secure and stable connections.

Popular Router Brands in Bangladesh

Leading router brands in Bangladesh include Tenda, TP-Link, D-Link, Asus, Huawei, Cudy and Netgear. Each brand offers unique features, from budget-friendly options to high-end, gaming-focused models.

Router Price in BD: Overview

The price of routers in Bangladesh varies depending on the brand, features, and specifications. Entry-level models for basic home use start from as low as BDT 1,000, while high-performance routers designed for gaming or large networks can cost upwards of BDT 15,000.

Latest Router Price in Bangladesh (2025)   

Common Router-Related Entities

Here are some important entities related to routers:

• Network Types: LAN, WAN, MAN, VPN.
• Protocols: IPv4, IPv6, HTTP, HTTPS, FTP.
• Router Brands: Netgear, TP-Link, Asus, D-Link, Cisco.
• Technologies: Beamforming, MU-MIMO, OFDMA.
• Hardware Terms: CPU, RAM, Flash Storage, Antennas.
• Security Features: Firewall, WPA3, VPN.

Fixing Common Router Problems

1. Slow Internet Speed:

• Check for firmware updates.
• Optimize router placement.

2. No Wi-Fi Signal:

• Restart the router.
• Verify device connections.

3. Frequent Disconnections:

• Adjust channel settings to reduce interference.
• Consider upgrading to a dual-band router.

Emerging Trends in Router Technology

1. Wi-Fi 6 and 6E:

• Improved speed, capacity, and efficiency for modern devices.

2. Mesh Networks:

• Smooth and consistent coverage with multiple nodes, perfect for spacious homes.

3. AI-Powered Routers:

• Smart optimization for traffic management and security.

Why Buy from RootFive?

At RootFive Computer Shop, we offer:

• A wide range of routers at affordable prices.
• Genuine products with warranties.
• Expert guidance to help you find the perfect router

FAQs About Routers

1. What is the difference between a router and a modem?

A modem connects your home or office to the internet, while a router allows multiple devices to connect to the internet through a wired or wireless network.

2. How much speed do I need for gaming?

For a smooth gaming experience, look for a router that supports speeds over 1,000 Mbps, especially if you play high-performance online games.

3. Can I use my router outdoors?

Yes, outdoor routers are designed for use in outdoor settings, providing Wi-Fi coverage over large areas or across distances of up to 10 km.  

4. How do I set up a router at home?

Setting up a router involves:

1. Connect the router to your modem using an Ethernet cable.
2. Powering on the router and waiting for it to initialize.
3. Connecting your devices (smartphones, laptops, etc.) to the router’s Wi-Fi network by entering the default Wi-Fi password (usually found on the router’s label).

Configuring settings like Wi-Fi name (SSID), security settings, and password through the router’s web interface