Wi-Fi networks can be very tricky to properly design and configure, especially in the small, crowded 2.4 GHz frequency band. In addition to interference from neighboring wireless networks, capacity issues arise when there are a high number of users on the network or a high density in a certain area.
In the early days of Wi-Fi, there weren’t that many Wi-Fi users or devices in the world. Today, the situation is much different. Private offices and buildings that have a wireless network may provide access to one, two, or even more Wi-Fi devices per worker and then maybe provide access for guests as well. More and more people are looking for Wi-Fi connectivity, especially at public venues -- on their laptops, smartphones and tablets -- to help conserve cellular data usage.
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