Most modems today have the router built right in, so you only need one unit to fill both functions: the modem to bring in the connection, and the router to transmit it wirelessly throughout your home. Your internet signal is broadcasted via radio waves from a router’s antenna to any wireless device in range that can access that network. Clearly, no one has enough ports on their modem or yards of cords to hook up all those devices we use today! If you didn’t have WiFi, you would then have to connect every internet device you own to the back of your modem using multiple Ethernet cables. The outside network connects to a jack in your home, and your modem then connects to that through an Ethernet cord. Some services also use the same coaxial cable you might use for cable TV. It was, however, a direct pun on the audio term “hi-fi” (high fidelity), which caused the confusion.Ī wireless network can also be referred to as WLAN, which stands for “wireless local area network.”Īn internet provider brings your internet connection to your home over a network of wires, which can be either copper, as in DSL lines, or fiber-optic cables used in fiber internet. The term was invented in 1999 by a branding company to make the first standardized wireless protocol (IEEE 802.11) sound a lot cooler. ![]() WiFi, sometimes written as Wi-Fi or wi-fi, is often mistakenly thought to stand for “wireless fidelity,” but it doesn’t - not exactly.
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