Updated 20 October 2026.
A router’s box can mix several kinds of numbers: its Wi-Fi generation, supported frequency bands, channel width and a combined speed class. They describe different things. Reading them separately makes it easier to choose equipment and understand a connection’s limits.
Match the older letters to the generation
| Generation | Standard | What the name tells you |
|---|---|---|
| Wi-Fi 4 | 802.11n | An older generation used on 2.4GHz and, with suitable hardware, 5GHz. |
| Wi-Fi 5 | 802.11ac | The ac generation works on 5GHz; routers often also provide older 2.4GHz service. |
| Wi-Fi 6 | 802.11ax | The ax generation on 2.4GHz and 5GHz. |
| Wi-Fi 6E | 802.11ax extended to 6GHz | Requires compatible 6GHz equipment and regional support. |
| Wi-Fi 7 | 802.11be | A newer generation with features such as Multi-Link Operation. |
Intel‘s Wi-Fi band guide explains the relationship between generations and bands. A Wi-Fi 6 router does not gain 6GHz simply because it has “6” in its name.
GHz and MHz mean different things
GHz identifies a frequency band, such as 2.4, 5 or 6GHz. MHz commonly describes channel width, such as 20, 40, 80, 160 or, for supported Wi-Fi 7 operation, 320MHz.
A wider channel can increase the link’s potential data rate, but it uses more spectrum and needs suitable conditions. It is not automatically the best choice in a crowded building. Our 80MHz and 160MHz guide explains the tradeoff.
AX3000 and BE numbers are speed classes
A label such as AX3000 normally combines headline radio rates under a manufacturer’s naming scheme. It does not promise a 3000Mbps internet download on one phone. Check the specification for each band’s rate and supported spatial streams.
Likewise, a 2×2 client has two transmit and receive streams; it cannot use every stream advertised by a larger router. The link also shares airtime with other traffic, and real file-transfer speeds include protocol overhead.
What MLO, OFDMA and MU-MIMO add
- MLO: Multi-Link Operation coordinates supported links between compatible Wi-Fi 7 devices.
- OFDMA: divides channel resources for more efficient scheduling of supported clients.
- MU-MIMO: supports spatial communication with multiple compatible devices.
Intel’s Wi-Fi 7 overview describes its features and the assumptions behind its speed figures. Router, client, software and regional rules all affect which functions are available.
Security labels are a separate check
WPA2 and WPA3 describe security mechanisms, not connection speed classes. Use the strongest compatible security mode your equipment supports, keep firmware updated and review guest access separately. A fast radio does not compensate for a weak password or an outdated router.
FAQs
Does AX mean Wi-Fi 6?
AX refers to 802.11ax, used by Wi-Fi 6 and Wi-Fi 6E. Check whether 6GHz is actually supported.
Does Wi-Fi 7 always use 6GHz?
Available bands and features depend on the product, client, software and local spectrum rules.
Will AX3000 give one device 3000Mbps?
No. The label commonly combines headline radio rates rather than describing one device’s real throughput.
Does WPA3 make Wi-Fi faster?
It is a security label. Speed depends on the radio link, conditions and the rest of the network.