One-page Wi-Fi cheat sheets
Printable PDFs covering 802.11 fundamentals, security, roaming, and Wi-Fi 7. Click a card to open, or use the download button to save the PDF.
1-for-1 AP Replacements
Why swapping old APs one-for-one almost never gives you the network you actually want.
3 Ways Wi-Fi Design Has Evolved
How enterprise Wi-Fi design has shifted as clients, bands, and expectations have all changed.
CCI vs CCC
Co-channel interference vs co-channel contention — the difference matters when you're tuning a channel plan.
Is BSS Coloring Actually Useful?
A pragmatic look at BSS Coloring — what it promises, what it delivers, and when it earns its keep.
Killer AKMs: Security Suites 101
A visual primer on 802.11 AKM suites — who authenticates whom, and with what keys.
RTS/CTS vs CTS-to-Self
How the two protection mechanisms reserve airtime and help mixed Wi-Fi networks avoid collisions.
QBSS
A visual guide to the QoS Basic Service Set load information advertised by an access point.
802.11k vs 802.11v
Side-by-side of the two roaming assistance amendments — what each actually does and where they overlap.
Wi-Fi 7 Deployment Considerations
What to think about before you turn on 320 MHz channels and MLO in production.
Reasons to not use MAC Auth
The security theater we keep shipping — and better alternatives.
WPA3 Specification Takeaways
Key changes in the WPA3 spec and how they land on real clients.
Non Wi-Fi Protocols that Destroy Wireless
Bluetooth, Zigbee, LTE-U and friends — the RF neighbors that ruin your channel plan.
Roaming Technologies
A tour through the roaming assistance alphabet soup — 802.11k, v, r, and the friends they bring along.
How to Make the Most of Tech Conferences
A pocket guide for surviving and thriving at WLPC, Wi-Fi World Congress, and beyond.
OpenRoaming 101
How OpenRoaming actually works, and why it matters for the future of public Wi-Fi.
MSDU, MPDU, PSDU, and PPDU
The four alphabet-soup data units and where they live in the 802.11 stack.
What happens when you click connect
The frame exchange between click and connected — one page, every step.
