What Is WiFi 6: Pros, Cons, And Recommendations?

What Is WiFi 6: Pros, Cons, And Recommendations?

In the ever-evolving expanse of the internet, WiFi emerges as the driving force for our digital pursuits. Its journey has been transformative, shaping it into an indispensable tool for activities ranging from search queries to online shopping.

WiFi 6 is the latest wireless networking standard, promising faster speeds, better performance, and improved connectivity. WiFi 6 devices are designed to cater to the escalating demands of our interconnected world. With more WiFi 6 devices hitting the market, users can expect a superior wireless experience. Still, the high cost of WiFi 6 routers and limited compatibility with older devices are drawbacks that need consideration before upgrading.

Let's explore how WiFi is developed, its current technology, the pros and cons of this new Wifi 6 technology, and recommendations for embracing it.

The Development of WiFi

From its humble beginnings in the late 1990s to its pervasive presence in our homes, workplaces, and public spaces today, WiFi has transformed how we live, work, and play. In this exploration of WiFi development, let us look into its evolution, impact, and the endless possibilities it continues to unlock in our increasingly interconnected world.




Ethernet Cable Era

Limited internet access due to reliance on fixed cables.

Confined users to specific locations.

Wireless Broadband WiFi

Introduction of WiFi as a bridge between wired connections and wireless devices.

Pioneered a new era of mobile internet access.

IEEE Standardization

Categorisation of WiFi standards by the IEEE (e.g., 802.11b becomes WiFi 5, 802.11ax becomes WiFi 6).

Ensured compatibility and development of future advancements (WiFi 6 promises faster speeds).

What is WiFi 6 Technology?

The newest wireless technology version that supports our WiFi connections is called WiFi 6, or 802.11ax. With increased wireless communication speed, capacity, and efficiency, it is a major improvement over its predecessors. Using both the 2.4 GHz and 5 GHz bands, it focuses on enhancing fiber internet connectivity, particularly in high-density places like corporate offices and residential complexes.

WiFi 6 Features and Benefits

WiFi 6 offers a spectrum of features that boost speed, capacity, range, and overall network performance.



Wi-Fi 6 Max Speed

Significantly faster data rates for downloads and streaming.

Amplified Capacity

Handles more connected devices simultaneously using OFDMA and BSS colouring.

Extended Range

Improves battery life and network efficiency with Target Wake Time (TWT).

Enhanced MU-MIMO

Enables routers to communicate with multiple devices at once for faster data exchange.

Performance in Crowded Environments

Delivers reliable connection in busy spaces with many devices (smart homes, offices, public spaces).

How Does WiFi 6 Work?

WiFi 6 integrates a range of established wireless techniques, marking a substantial leap forward. It upholds backward compatibility, ensuring seamless connections with earlier-generation devices. With 1024 quadrature amplitude modulation (QAM), WiFi 6 achieves a notable 40% increase in output. Thus, it elevates the efficiency of data transmission. The WiFi 6 standard combines familiar wireless techniques to bring about significant advancements compared to its predecessors. It prioritises backward compatibility, enabling WiFi 6 routers to connect with devices from earlier generations effortlessly.

The new fiber internet standard introduces 1024 QAM, increasing throughput by 40% for more efficient data transmission. Unlike WiFi 5 Wave 2, which allows four simultaneous streams, WiFi 6 accommodates eight, boosting overall capacity and performance.

Difference between WiFi 6 and WiFi 5

Physical Parameters

WiFi 6 (802.11ax)

WiFi 5 (802.11ac)


Delivers improved efficiency, network volume, and overall performance. It supports eight concurrent data streams, enhancing data transmission capabilities.

Supports a maximum of four simultaneous streams.

Converge WiFi 6 (Range and connectivity)

While it provides enhanced efficiency, the range may be relatively shorter compared to WiFi 5.

Offers a longer range.

Channel bandwidths (MHz)

20, 40, 80, 80+80, 160

20, 40, 80+80, 160

FFT sizes

256, 512, 1024, 2048

64, 128, 256, 512

Frequency bands (GHz)

2.4, 5, 6 (reported)


Subcarrier spacing (KHz)



Highest modulation scheme

1024 QAM

256 QAM

OFDM Symbol duration

32 µs

12.8 µs

The Advantages and Disadvantages of Wi-Fi 6 Standards

Like any technological advancement, WiFi 6 has advantages and disadvantages that merit careful consideration. In this exploration, we delve into the intricacies of WiFi 6 standards, examining their potential benefits and drawbacks to understand their comprehensive impact on connectivity and user experience.





Offers significantly faster data transfer rates compared to Wi-Fi 5 (up to 4x)

Requires compatible devices to experience the full-speed boost.


Improves network efficiency, especially in congested environments with many devices.

It may not be as noticeable an improvement in homes with few connected devices.


Supports more connected devices simultaneously without compromising performance.

Upgrade to Wi-Fi 6 router needed to reap the benefits of increased capacity.


Reduces lag and improves responsiveness for real-time applications (gaming, video calls).

Existing internet plan speeds may still limit overall latency experienced by users.


Includes the latest WPA3 security protocol for enhanced network protection.

It may not be a significant upgrade from WPA2 security for most home users.

Battery Life

Improved power efficiency for compatible devices, extending battery life.

Not all devices will show significant improvements in battery life.

Backward Compatibility

WiFi 6 is backwards compatible. This means a WiFi 6 router can work with devices that support earlier versions of WiFi, including 802.11 ac/n/g/b/a.

However, both the router and the device need to support WiFi 6 to fully benefit from its features



WiFi 6 routers are generally more expensive than Wi-Fi 5 routers.

Connectivity Range


Similar connectivity range to Wi-Fi 5 routers; extenders may still be needed for large homes. It may not eliminate dead zones entirely, especially in large or multi-story houses.


WiFi's journey peaks with WiFi 6, built for our device-filled world. Wifi 6 offers faster speeds, handles more devices, and extends its range, making it ideal for crowded spaces. While powerful, WiFi 6 may involve installation and device upgrade costs. End-users need to comprehend the differences between WiFi standards. This can be done by considering the continued prominence of fiber connections and the impending omnipresence of IoT devices.

Tata Play Fiber stands out in this digital age, offering top-notch broadband deals with unlimited internet plans and unique home WiFi plans, ensuring a seamless and efficient digital future. Explore our options and harness the power of WiFi 6 for a seamless and efficient digital future. WiFi 6 isn't just a step forward; WiFi 6 means a leap toward a more connected future.

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Rahul Nambiar | Tata Play Fiber

Rahul Nambiar

Manager - Digital Marketing

15th September 2022

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