Quiz Entry - updated: 2026.07.14
What are the three international organizations that influence WLAN standards, and what role does each play?
ITU regulates the radio spectrum, IEEE defines the technical 802.11 standards, and the Wi-Fi Alliance certifies interoperability between vendors.
| Organization | Role | Key Contribution |
|---|---|---|
| ITU (International Telecommunication Union) | Regulates the allocation of radio spectrum and satellite orbits globally | Decides which frequencies can be used for Wi-Fi in each country |
| IEEE (Institute of Electrical and Electronics Engineers) | Specifies how radio frequencies are modulated to carry information | Develops the 802.11 standard family (a, b, g, n, ac, ax) |
| Wi-Fi Alliance | Vendor association promoting interoperability and growth of WLANs | Certifies that products from different manufacturers work together; creates the "Wi-Fi" brand and names (Wi-Fi 4, 5, 6) |
Why all three matter:
- Without ITU: Countries would use conflicting frequency allocations
- Without IEEE: No technical standard — devices from different vendors couldn't communicate
- Without Wi-Fi Alliance: Standards exist on paper but no guarantee they work in practice across brands
Tip: The Wi-Fi Alliance is NOT a standards body — they test and certify that products conform to IEEE 802.11 standards. The "Wi-Fi CERTIFIED" logo means a device has passed interoperability testing.
Go deeper:
International Telecommunication Union (Wikipedia) — the ITU-R's role allocating global radio spectrum.- Wi-Fi Alliance (Wikipedia) — the interoperability-certification body and Wi-Fi 4/5/6 naming (not a standards body).