By 2026, WiFi 7 is no longer a buzzword. Since late last year, as chip solutions matured, the price of WiFi 7 routers has dropped significantly—you can now get one for under 200 yuan. Manufacturers hype up "5x faster speeds" and "ushering in the multi-gigabit era," making many wonder: should I upgrade?
But let's calm down and think: Will my internet speed actually get faster with WiFi 7? If domestic restrictions on the 6GHz band remain, how much am I losing out on?
Today, let's break this down from a technical perspective.
I. What Are the Real Breakthroughs of WiFi 7?
To understand the impact of restrictions, you first need to know what makes WiFi 7 superior. Compared to WiFi 6, it has three major technological leaps
1. 320MHz Ultra-Wide Bandwidth
This is WiFi 7's core upgrade. Think of wireless channels as highways. WiFi 6's 160MHz is an eight-lane road, while WiFi 7's 320MHz effectively doubles the lanes—allowing more traffic theoretically. Achieving this 320MHz requires the 6GHz band.
2. 4096-QAM Modulation
This is a higher-order modulation. Simply put, the data carried per signal symbol increases from 10 bits (WiFi 6) to 12 bits, boosting transmission efficiency by 20%. However, this requires a very "clean" channel environment—weaker signals cause the speed to plummet.
3. MLO (Multi-Link Operation)
This is another killer feature. Previous WiFi devices could only connect to one band at a time. MLO allows a device to connect simultaneously to 2.4GHz and 5GHz (and even 6GHz), increasing speed, reducing latency, and enabling seamless switching if one band gets Interference.
II. The "Sealed" 6GHz Band: The Current State of WiFi 7 in China
The problem: Currently, China has not opened the 6GHz band for civilian WiFi use.
What does this mean?
320MHz Ultra-Wide Bandwidth is temporarily unavailable – because 320MHz requires the 6GHz band. Without 6GHz, WiFi 7 is stuck with 160MHz on the 5GHz band, which WiFi 6 already supports.
The "Best Combination" for MLO can't be used –MLO ideally runs on "5GHz + 6GHz" dual lanes. In China, MLO is limited to "2.4GHz + 5GHz." And we all know how crowded the 2.4GHz band is—microwaves, Bluetooth devices, neighbors' WiFi all compete. This combination's real-world performance is inevitably compromised.
4096-QAM's peak speeds are hard to reach – High-order modulation is extremely sensitive to signal-to-noise ratio. Move a little farther from the router or go through one wall, and the speed automatically "downgrades" to 1024-QAM or even 256-QAM, making it indistinguishable from high-end WiFi 6.
III. Without 6GHz, How Big is the Real Difference Between WiFi 7 and WiFi 6?
This is the key question. Based on various real-world tests, the conclusion is:
For average users, the difference might not be as significant as you think.
Close Range Performance: Within 3 meters and no obstacles, even entry-level WiFi 7 routers can easily saturate a gigabit connection or even approach the limit of a 2.5G port. WiFi 6 can do this too.
Through Walls: Once you're behind one or two walls, things change. Due to regulatory limits on transmission power, the speed衰减 of WiFi 7 isn't dramatically different from WiFi 6.
Multi-Device Concurrency: WiFi 7's true advantage lies in MRU technology and improved OFDMA scheduling, allowing more flexible resource allocation under heavy load. If you have dozens of smart home devices, multiple phones, TVs, and computers, this advantage will gradually show.
But one group should pay attention: users with mid-to-high-end WiFi 6 routers (especially AX5400/AX6000 level). If you mostly stream videos and play games on a sub-gigabit connection, upgrading to current-state WiFi 7 might yield negligible improvement.
IV. Manufacturer "Workarounds": The Secret Behind Advertised Speeds
Observant readers might notice the variety of WiFi 7 router models—BE3600, BE6400, BE7200… They achieve these advertised speeds in different ways:
Conservative Type: Use standard 4x4 MIMO on 5GHz with 160MHz bandwidth, achieving stable speeds around 5700Mbps.
Aggressive Type: Use 4T5R (4 transmit, 5 receive) on 5GHz to boost peak speeds, reaching BE6400 levels, but might compromise the 2.4GHz band, leading to unbalanced performance.
Ultimately, after losing the 6GHz band, manufacturers are adjusting to create spec sheet highlights. Better specs don't always mean better experience.
V. Will the Restrictions Be Lifted? When?
From a technical trend perspective, opening the 6GHz band involves coordinating spectrum usage with incumbent services (like 5G/6G communications). Full civilian access is challenging in the short term. Even if partially opened later, it might be limited to lower frequencies or reduced power, similar to some regions.
The good news: Most mainstream WiFi 7 chips and hardware are designed with pre-support for the 6GHz band. This means if policies change in the future, existing devices could enable the new band via firmware updates, without needing new hardware.
VI. So, Should You Buy WiFi 7 Now?
Back to the original question: If restrictions remain, is WiFi 7 worth buying?
Yes, but it depends.
If you're using WiFi 5 or older: Definitely yes. Even without 6GHz, current WiFi 7 routers are a massive upgrade over old gear. Better Anti-interference capability and stronger multi-device performance will deliver noticeable improvements.
If you have a mid-to-high-end WiFi 6 router: Consider waiting. Until the 6GHz band opens, WiFi 7's advantages aren't fully realized. Instead of chasing the latest tech, invest in Mesh systems or optimizing placement for more direct improvements.
If you are seeking for the ultimate performance: Consider high-end tri-band models (2.4GHz + 5GHz + 5.8GHz). Dual 5GHz bands can alleviate congestion to some extent and Reserved space for future 6GHz support.
VII. A Few Practical Tips
Finally, for those ready to buy:
Check the Configuration: Look for tri-band support (especially dual 5GHz), which offers more Practical value currently.
Don't Just Look at Speed: Advertised speeds are theoretical. Real-world experience depends more on antenna design, algorithms, and placement.
Leave Room for the Future: Choose models that Pre-support the 6GHz band. If policies change, your device can have a "second life."
WiFi 7 is undoubtedly a major milestone in wireless technology. However, under China's specific spectrum regulations, its brilliance is temporarily dimmed. Choosing the right time and the right product is the key to rational consumption.
But one group should pay attention: users with mid-to-high-end WiFi 6 routers (especially AX5400/AX6000 level).