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.

5 DNS services to provide a layer of internet security

8 free, cheap, and hands-on ways to learn about network administration

8 free, cheap, and hands-on ways to learn about network administration

Step-by-step instructions to walk you through network-administration projects that can hone skills in IP addressing, Wi-Fi monitoring, documenting asset configuration, setting up DNS, and more.

9 career-boosting Wi-Fi certifications

9 career-boosting Wi-Fi certifications

Networking and security pros can benefit from adding vendor-neutral or vendor-specific certifications to your resume

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.

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

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