CWNP

11/02/2026

Most engineers pick up wireless skills in whatever order the job hands them. A security project here, a survey there. That works until you hit something that needs the layer underneath, and there's nothing under it.

The CWNP Wi-Fi track is ordered on purpose.

CWNA is the floor. RF behavior, 802.11 operation, antennas, channel planning. Everything after it assumes you already have this. If you're brand new to wireless, CWSS and CWTS sit before it.

From there you branch into whatever the job actually is. CWSP if you're defending the network. CWAP if you'd rather read frames than dashboards. CWDP if you're the one settling capacity and coverage before anyone mounts an AP. Take them in any order.

CWNE is the top of the track, and it isn't an exam you cram for. It takes four certification exams, CWISA plus an outside networking cert, three recommendations, and essays that go through peer review by the CWNE Board of Advisors.

None of it is tied to a vendor. You learn how wireless works, then apply it to whatever gear is in the rack.

Swipe for the full path, then map out yours: https://zurl.co/0r7yu

Where are you on it right now?

10/31/2026

This Halloween, don’t let outdated knowledge haunt your career. CWNP certifications are your best defense against ghost signals and scary security gaps.

Happy Halloween from the CWNP team!

10/30/2026

📡 Wi-Fi Word of the Day: Decapsulate

To recover an unprotected frame from a protected one.

It's the receiving side of the pair. Encapsulation wraps and protects the frame on transmit. Decapsulation unwraps it on arrival.

Study wireless security properly, vendor-neutral: https://zurl.co/BSaZN

-FI

10/28/2026

CWNP has been publishing free technical content for years. Recorded webinars, whitepapers, blog articles, and community discussion in the forums. Some of the whitepapers go further than material you'd normally have to pay for, and all of it is vendor-neutral, so what you learn applies whatever hardware you work on.

Nothing is behind a purchase. If you're preparing for an exam, or you just want to close a gap you've been aware of for a while, it's worth an hour of browsing before you spend anything.

Have a look: https://zurl.co/NRprP

What's the last thing you learned that didn't cost you anything?

10/26/2026

The device that breaks your design isn't the laptop. It's the barcode scanner from 2017.

Constrained clients are the ones nobody plans around. Handhelds, scanners, embedded controllers, medical carts, badge readers. Old chipsets, single spatial stream, aggressive power save, firmware that hasn't been touched in years, and roaming logic that makes decisions you would not make.

Design for the phones and laptops and you get a network that tests beautifully and fails in the warehouse aisle.

The practical issues are consistent. Constrained clients often hold onto an access point long past the point where they should have roamed. They may not support the fast transition mechanisms you configured. Their receive sensitivity is worse than your survey device, so your coverage map is optimistic. And their power save behavior interacts badly with settings tuned for throughput.

Tom Carpenter pulled the research together in a CWNP whitepaper, and covered the practical design and troubleshooting side. Both are free.

Whitepaper: https://zurl.co/0xw7S
Webinar: https://zurl.co/cDjKA

Which constrained device has caused you the most trouble? Scanners seem to win this one most of the time.

10/22/2026

Wi-Fi is one protocol in a building running five. CWNP has a track for the other four.

CWISA is the entry point. It covers the wireless technologies that show up alongside Wi-Fi in real buildings: BLE, Zigbee, 802.15.4, LoRaWAN, Thread, 6LoWPAN, ISA100.11a, WirelessHART and Z-Wave, plus location services. Broad by design, because the environments are.

From there the track splits by what you actually do:

CWICP for connectivity. Protocol MAC and PHY behavior, security features, and troubleshooting across those standards in depth.

CWIIP for integration. MQTT, CoAP, DDS, AMQP, database and API work, and Python fundamentals for moving IoT data where it needs to go.

CWIDP for design. Requirements gathering, solution design, validation, and the documentation that supports deployment and operations.

CWISE sits at the top as the expert designation, alongside CWNE on the Wi-Fi side.

All of it vendor-neutral, which matters more in IoT than in Wi-Fi. Your clients aren't standardized on one IoT vendor. Nobody is.

If your team is being pulled into OT and building automation projects, Tom's session on OT IoT lessons is a useful starting point: https://zurl.co/okb9g

Explore the track: https://zurl.co/E711O

Group pricing for teams:
📩 [email protected]
📞 (984) 227-8564 Ext 1020

10/21/2026

Cellular gets most of the IoT coverage. It accounts for less than a quarter of the connections.

IoT Analytics put cellular IoT at 4.7 billion connections in 2025, growing 13.3%, the slowest rate since 2020. That's about 22% of the 21.1 billion IoT connections worldwide.

Which leaves roughly 78% running on something else. BLE, Zigbee, Wi-Fi, LoRaWAN, Thread, 802.15.4 and the rest. Short range, unlicensed, and largely sitting in the same spectrum your access points are using.

There's a reason that split matters to you specifically. Cellular IoT is somebody else's problem. It's provisioned by a carrier, it doesn't touch your WLAN, and when a metering device stops reporting, nobody walks over to your desk about it. The other 78% is different. It gets installed by facilities, or a building automation contractor, or an OT team, usually without a conversation with the network group. Then it shares your airtime.

When that mesh starts dropping and someone needs an answer, the ticket lands with you, because you're the person in the building who understands RF.

Source: IoT Analytics, Cellular IoT market update 2026 https://zurl.co/lIV0y

CWNP's IoT track starts with CWISA and covers those protocols vendor-neutrally: https://zurl.co/J611f

How many of these are live in your environment right now? Most people undercount.

In 2025, the number of cellular IoT connections reached 4.7 billion, up 13.3% year-over-year. NB-IoT was the leading cellular IoT tech...

10/20/2026

Quiz Time!!

You must configure a client to use WPA-PSK. What is the name of the built-in Windows 7 client which will be used as a supplicant?

You must select 1 answer

a) Windows wireless config
b) Windows wireless utility
c) Windows Zero Config utility
d) Windows suplicant utility

Drop your answers in comment section.

10/20/2026

Congrats to CWNE #644, Charles Clare!
Greensborough, Australia
https://zurl.co/glJil

10/19/2026

CWNP Remote Proctoring lets you test from home, on your schedule, without a trip to a testing center. No commute, no crowded testing center, just you, your setup, and a proctor who's there if you need them.

Swipe through to see what that experience has looked like for real candidates.

📍 All CWNP certifications offer remote proctoring except CWSS and CWTS.
📩 Questions? [email protected]