Many offices today still operate on Wi-Fi 5 (802.11ac) or even older standards, often experiencing bottlenecks with multiple users and bandwidth-intensive applications. The recent introduction of Wi-Fi 7 (802.11be, or ‘Extremely High Throughput’ – EHT) raises the question for businesses already using or planning Wi-Fi 6/6E: is an immediate upgrade necessary or even beneficial?
From Softline IT’s experience, when designing similar infrastructure, we first check the actual current and projected network load, application types, and existing cabling infrastructure. Often, upgrading to Wi-Fi 6/6E is a more pragmatic and cost-effective step for most small and medium businesses today.
Understanding Wi-Fi 7’s core advantages
Wi-Fi 7 builds upon the foundation of Wi-Fi 6E, primarily by enhancing the use of the 6 GHz spectrum. Its key innovations include wider 320 MHz channels, 4096-QAM modulation, and Multi-Link Operation (MLO). These features are designed to significantly increase throughput, reduce latency, and improve network efficiency, particularly in dense environments with many devices.
- 320 MHz channels: Doubling the channel width compared to Wi-Fi 6E allows for much higher data rates. However, sufficient clear spectrum in the 6 GHz band is required, which might be challenging in densely populated areas.
- 4096-QAM: A more complex modulation scheme that packs more data into each signal, leading to higher theoretical speeds. This requires excellent signal quality and minimal interference.
- Multi-Link Operation (MLO): Enables devices to simultaneously send and receive data over different frequency bands (2.4 GHz, 5 GHz, and 6 GHz). This can reduce latency and increase throughput by aggregating bandwidth or providing more robust connections.
Wi-Fi 6/6E vs. Wi-Fi 7: A practical comparison
To understand the real-world implications for an office, it’s helpful to compare the practical differences between the current generation (Wi-Fi 6/6E) and Wi-Fi 7.
| Feature | Wi-Fi 6/6E | Wi-Fi 7 |
|---|---|---|
| Max Bandwidth | 9.6 Gbps | ~46 Gbps |
| Channel Width | Up to 160 MHz | Up to 320 MHz |
| Frequency Bands | 2.4, 5, 6 GHz | 2.4, 5, 6 GHz |
| Modulation | 1024-QAM | 4096-QAM |
| Multi-Link Operation | No | Yes |
While the theoretical maximum bandwidth of Wi-Fi 7 is significantly higher, achieving this in a typical office environment requires not only Wi-Fi 7 access points but also client devices (laptops, smartphones) that support the standard. As of early 2024, Wi-Fi 7 client devices are still relatively scarce and expensive.
Current office needs vs. Wi-Fi 7 capabilities
Most small and medium businesses utilize their Wi-Fi for tasks such as email, web browsing, video conferencing (e.g., Microsoft Teams, Zoom), cloud-based applications (e.g., Microsoft 365), and VoIP. Wi-Fi 6/6E, with its OFDMA, MU-MIMO, and 160 MHz channels (in 6E), is already well-equipped to handle these workloads efficiently, even in offices with a moderate density of users.
The primary benefits of Wi-Fi 7 — ultra-low latency and extremely high throughput — are most relevant for specific niche applications like virtual reality (VR) or augmented reality (AR) in industrial settings, uncompressed 8K video streaming, or highly demanding gaming. These are not typical use cases for general office productivity.
Pragmatic advice for your office network
Before considering a Wi-Fi 7 upgrade, businesses should first ensure their current network infrastructure is optimized. This includes having a robust structured cabling system (SCS) that supports at least Cat6 or Cat6a for backhauling access point traffic, especially if considering 2.5 GbE or 5 GbE PoE switches. Many performance issues attributed to Wi-Fi are actually due to inadequate wired backbones or poor access point placement.
For most offices currently on Wi-Fi 5 or older, upgrading to Wi-Fi 6 or Wi-Fi 6E offers a substantial and cost-effective improvement in performance and capacity. This provides better support for concurrent users, improved battery life for client devices, and enhanced security features, without the premium cost or limited device compatibility of Wi-Fi 7. When planning an upgrade, consider a professional site survey to determine optimal access point placement and channel planning. This ensures maximum coverage and minimal interference, regardless of the Wi-Fi standard chosen. Evaluate your budget, the lifespan of your current equipment, and the actual demands of your business applications before investing in the latest technology. An experienced system integrator can help assess your specific needs and design a future-proof network that aligns with your operational requirements and budget.