Wired Network Equipment
These devices may require POE or POE+ and depending on how many devices demand power, you may find your existing hardware unable to meet that demand.
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Many new desktops and laptops have a 1GB network card, being connected to an older 10 / 100 mb network switch, devices are being restricted to lower speeds than they are capable of, this will have a detrimental effect to any business applications that operate in real time or where speed is of the essence.
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Wireless Network Equipment
Wi-Fi is increasingly important to a business as the traditional office network (Lan). With more and more devices connecting to the Wi-Fi network the connection must be solid, robust, and secure to stream all the data that is being passed over it.

Businesses are now promoting BYOD (Bring Your Own Device) to allow staff to work using their own devices increasing the demand on the Wi-Fi network and the inherent security risks this presents.

With Wi-Fi 6 now touted as the next generation this standard will be able to cope with the demands presented.