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DeckerWright Corporation Blog

WiFi...Great Technology When It Works!


The explosion of the Internet of Things (IoT) and mobile devices has put an increasing load on existing WiFi networks.  Originally engineered to provide access to a few laptops and mobile devices, WiFi networks are now being tasked with streaming video from cameras, and a host of other IoT devices, impacting a WiFi infrastructure that was not engineered for the load.  Another big problem with business WiFi, is most small and medium sized businesses are in multi-tenant office space with many businesses.  Sitting at my desk, I have 18 different WiFi networks I could connect to.  The more access points that occupy a frequency, the more they interfere with each other degrading WiFi performance.

Another common problem we see with client’s WiFi networks is that they are not engineered to provide the right level of security based on the evolving usage profile.  Many business WiFi networks work in two worlds, the world of using WiFi to access a client’s business network to do work, and WiFi to allow clients and employees to access the internet with their mobile devices.  New IoT applications may have different network security requirements.  When planning out a WiFi network, security must be part of the design consideration.  You don’t want clients or guests to be connected to the company’s business network.  They should be isolated on a guest network with only internet access allowed.  Conversely, computers that need to be connected to the company’s network via WiFi should be. 

The last problem with WiFi networks is the usage of the public frequencies of 2.4 Ghz and 5 Ghz.  The 2.4 Ghz frequency is particularly subject to interference from other technology like wireless phones, microwaves, alarm systems and electric motors that can broadcast on this frequency.  The 5 Ghz frequency is less heavily used by other manufacturers, and does better in facilities with more walls and obstructions based on its wavelength.  The trade-off for the improved quality, is distance.  A 5 Ghz transmitter only goes about half the distance of a 2.4 Ghz transmitter. 

If the WiFi in your company is not performing up to expectations, contact DeckerWright Corporation for a consultation and a site survey

Click HERE for more information.

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