| Wi-Fi 5 standard name | IEEE 802.11ac (Wi-Fi Alliance) |
| Wi-Fi 6 standard name | IEEE 802.11ax (Wi-Fi Alliance) |
| Wi-Fi 6E added band | 6 GHz (in addition to 2.4 GHz and 5 GHz) (Wi-Fi Alliance, 2021) |
| Bluetooth 5.0 max theoretical range | Up to ~800 ft (open space) (Bluetooth SIG) |
| Bluetooth backward compatibility | Yes — newer versions connect to older devices (Bluetooth SIG) |
| Wi-Fi 6 max simultaneous streams | 8 (vs. 4 in Wi-Fi 5) (IEEE 802.11ax specification) |
Why Wireless Labels Matter
Open any electronics box and you'll see labels like Wi-Fi 6, Wi-Fi 5, or Bluetooth 5.0 printed on the side. These aren't just marketing shorthand — they describe specific technical standards that determine how fast, how far, and how efficiently your device communicates wirelessly. Understanding them helps you set realistic expectations and make smarter decisions about your devices and home network.
For a broader look at the wireless technologies behind your everyday gadgets, see how Bluetooth, Wi-Fi, and NFC work.
| Wi-Fi 5 standard name | IEEE 802.11ac (Wi-Fi Alliance) |
| Wi-Fi 6 standard name | IEEE 802.11ax (Wi-Fi Alliance) |
| Wi-Fi 6E added band | 6 GHz (in addition to 2.4 GHz and 5 GHz) (Wi-Fi Alliance, 2021) |
| Bluetooth 5.0 max theoretical range | Up to ~800 ft (open space) (Bluetooth SIG) |
| Bluetooth backward compatibility | Yes — newer versions connect to older devices (Bluetooth SIG) |
| Wi-Fi 6 max simultaneous streams | 8 (vs. 4 in Wi-Fi 5) (IEEE 802.11ax specification) |
Wi-Fi 5 vs. Wi-Fi 6: What Changed
Wi-Fi 5 (technically IEEE 802.11ac) arrived around 2013 and became the dominant home and office standard for nearly a decade. It operates exclusively on the 5 GHz frequency band, offering theoretical peak speeds up to 3.5 Gbps — plenty for streaming, video calls, and general browsing.
Wi-Fi 6 (802.11ax), introduced in 2019, builds on that foundation with three key improvements:
- OFDMA (OFDMA): Splits a channel into smaller sub-channels so a router can serve multiple devices at the same time, reducing wait times in busy households.
- MU-MIMO improvements: Wi-Fi 6 supports up to 8 simultaneous data streams (up from 4 in Wi-Fi 5), which matters most when many devices are connected at once.
- Target Wake Time (TWT): Lets devices schedule when they talk to the router, reducing battery drain on smartphones, smart-home sensors, and IoT gadgets.
A related extension, Wi-Fi 6E, adds the 6 GHz band — meaning less congestion in areas where the 2.4 GHz and 5 GHz bands are crowded. Both devices and the router must support 6E to take advantage of it.
OFDMA
Orthogonal Frequency Division Multiple Access — a Wi-Fi 6 technique that divides a channel into smaller sub-channels, allowing a router to communicate with multiple devices simultaneously rather than one at a time.
MU-MIMO
Multi-User, Multiple Input, Multiple Output — a technology that lets a router send and receive data to multiple devices at the same time using multiple antennas, improving efficiency in busy environments.
Target Wake Time (TWT)
A Wi-Fi 6 feature that schedules when devices communicate with the router, reducing unnecessary radio activity and extending battery life on smartphones and smart-home devices.
LE Audio
A Bluetooth audio standard introduced with Bluetooth 5.2 that uses less energy and supports multi-stream audio, enabling features like sharing audio to two sets of earbuds at once.
Frequency Band
A range of radio frequencies used for wireless communication. Common Wi-Fi bands are 2.4 GHz (longer range, more interference) and 5 GHz (shorter range, faster speeds). Wi-Fi 6E adds a 6 GHz band.
Bluetooth: Version Numbers Explained
Bluetooth and Wi-Fi solve different problems. Wi-Fi connects devices to a network and the internet; Bluetooth creates short-range connections between two devices — a phone and headphones, a keyboard and a laptop, a fitness tracker and an app.
Bluetooth 5.0, released in 2016, doubled the speed of earlier versions and quadrupled the theoretical range (up to 800 ft in open space, though walls and interference reduce this significantly). It also improved broadcasting capacity, which benefits smart-home and location-beacon applications.
Bluetooth 5.2 introduced LE Audio, a lower-energy audio codec standard that supports multi-stream audio — the technology behind sharing audio to two pairs of earbuds simultaneously from one device. Many true-wireless earbuds launched after 2021 use this feature.
For everyday users, version differences in Bluetooth matter most when pairing older devices with newer ones. Bluetooth is backward-compatible, meaning a Bluetooth 5.2 device can still connect to a Bluetooth 4.2 device — but only at the older version's capabilities.
4×
Bluetooth 5.0 range vs. Bluetooth 4.2
According to the Bluetooth Special Interest Group (SIG), Bluetooth 5.0 quadrupled the theoretical broadcast range over the previous generation.
8 streams
Maximum simultaneous device streams in Wi-Fi 6
The IEEE 802.11ax specification doubles the MU-MIMO capacity of Wi-Fi 5, which supported a maximum of 4 simultaneous downlink streams.
Practical Takeaways for Everyday Use
You don't need to memorize spec-sheet numbers to benefit from this knowledge. A few practical principles apply:
- Your network is only as fast as the slowest link. A Wi-Fi 6 router won't dramatically improve speeds for a device that only supports Wi-Fi 5.
- Congestion matters more than raw speed. In apartments or dense neighborhoods with many competing networks, Wi-Fi 6's efficiency features often make a more noticeable difference than peak speed numbers suggest.
- Bluetooth version affects audio quality and range. If you experience choppy audio or frequent dropouts with older headphones, the Bluetooth version gap between your phone and headphones could be a contributing factor.
- Wi-Fi 6E requires new hardware on both ends. A 6E router without a 6E device won't unlock the 6 GHz band.
To decode other technical terms you'll encounter on device boxes, the Tech Spec Glossary covers 30 common spec labels in plain language. And if you're curious how wireless connectivity interacts with your carrier's network, see our guide on Wi-Fi Calling and VoLTE.