Eric Geier

Contributing Writer

Eric Geier is a freelance tech writer. He’s also the founder of NoWiresSecurity, providing a cloud-based Wi-Fi security service; Wi-Fi Surveyors, providing RF site surveying; and On Spot Techs, providing general IT services.

9 career-boosting Wi-Fi certifications

How to buy Wi-Fi 6 access points

How to buy Wi-Fi 6 access points

With more unlicensed wireless spectrum and specifications for MU-MIMO and OFDMA, the Wi-Fi 6 standard promises faster, more reliable networks, but not all vendors meet all the specs.

10 limitations of MU-MIMO in Wi-Fi

10 limitations of MU-MIMO in Wi-Fi

It’s a big breakthrough in wireless connectivity, but don’t let MU-MIMO’s limitations catch you off guard. Here are 10 ways to get up to speed on MU-MIMO Wi-Fi.

How to scale a Wi-Fi network

How to scale a Wi-Fi network

Whether it’s pushing out Wi-Fi coverage 100 feet or deploying a network in a site that doesn’t have one, here are the steps to take to insure you wind up with a cost-effective result.

9 tips for speeding up your business Wi-Fi

9 tips for speeding up your business Wi-Fi

Interference, too many SSIDs, pokey management traffic, and small channel widths can all slow Wi-Fi networks. Here's how to speed them up.

5 free network-vulnerability scanners

5 free network-vulnerability scanners

These 5 tools can help automate the detection and remediation of vulnerabilities, and they're available at no cost, and some are upgradeable to more fully featured platforms.

How to fix Wi-Fi interference

How to fix Wi-Fi interference

Addressing Wi-Fi interference can include better placement of access points, balancing traffic between the 2.4 GHz and 5 GHz bands, beamforming, and eliminating other sources of radio-frequency signals.

How-to improve Wi-Fi roaming

How-to improve Wi-Fi roaming

Wi-Fi handoffs can be made smoother with careful mapping of the network followed by fine-tuning transmit power and placement of access points.

How-to measure enterprise Wi-Fi speeds

How-to measure enterprise Wi-Fi speeds

Step-by-step strategy for figuring out the best tools for testing the speed of Wi-Fi connections in trouble spots or across an entire wireless network.

5 questions to answer before deploying Wi-Fi 6

5 questions to answer before deploying Wi-Fi 6

Wi-Fi 6 offers many valuable new features including speed and higher density, but it’s different from its predecessors, so make sure your wired network and your organization are ready for it.

 Test and review of 4 Wi-Fi 6 routers: Which is fastest?

Test and review of 4 Wi-Fi 6 routers: Which is fastest?

We tested Wi-Fi 6 routers from Extreme, Cisco, EnGenius and Meraki to find out whether these access points deliver on the promise of better throughput from the latest Wi-Fi standard

Wi-Fi: How to deploy 802.1x authentication using WPA3-Enterprise

Wi-Fi: How to deploy 802.1x authentication using WPA3-Enterprise

Wi-Fi Protected Access 3 can provide authentication with enhanced security.

8 free Wi-Fi stumbling and surveying tools for Windows and Mac

8 free Wi-Fi stumbling and surveying tools for Windows and Mac

Measuring signal strength, channels, MAC addresses and security status of Wi-Fi networks is essential to understanding their health, and here are free tools – some for Windows, some for Macs – that can do just that.

10 limitations of MU-MIMO in Wi-Fi

10 limitations of MU-MIMO in Wi-Fi

It’s a big breakthrough in wireless connectivity, but don’t let MU-MIMO’s limitations catch you off guard. Here are 10 ways to get up to speed on MU-MIMO Wi-Fi.

How to hack Wi-Fi for better security

How to hack Wi-Fi for better security

Free (or almost free) Wi-Fi penetration testing tools can help you spot potential Wi-Fi security vulnerabilities and figure out ways to protect against them.

Wi-Fi Mesh: What to know about enterprise mesh networks

Wi-Fi Mesh: What to know about enterprise mesh networks

Wireless mesh networks can be a fit for enterprises that need connectivity in settings where it's hard to run cable, outdoor areas, and rented spaces or temporary locations

What is WPA3? And some gotchas to watch out  for in this Wi-Fi security upgrade

What is WPA3? And some gotchas to watch out for in this Wi-Fi security upgrade

The Wi-Fi Alliance has introduced the first major security improvement to Wi-Fi in about 14 years: WPA3. The most significant additions to the new Wi-Fi security protocol are greater protection for simple passwords, individualized...

Wi-Fi site-survey tips: How to avoid interference, dead spots

Wi-Fi site-survey tips: How to avoid interference, dead spots

Here's how properly executed site surveys can make for better performing Wi-Fi networks by dealing with potential frequency conflicts, blocked signals and more.

REVIEW: Network test tools from Fluke, NETSCOUT and SignalTEK

REVIEW: Network test tools from Fluke, NETSCOUT and SignalTEK

Network testers are ideal for IDing bad cabling, helping to troubleshoot network issues, estimating cable lengths and determining cable rates

REVIEW: 5 top hardware-based Wi-Fi test tools

REVIEW: 5 top hardware-based Wi-Fi test tools

Software tools for testing Wi-Fi can run on a laptop, but dedicated hardware tools offer the convenience of a sometimes less cumbersome form-factor that are compact enough to fit in the pouch of a laptop bag. This article looks at...

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