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Using an old satellite dish to fashion a DIY Wi-Fi antenna is an excellent way to do this. Turning a satellite dish into a Wi-Fi antenna can be both economical and efficient, because there is no signal loss using USB cable connections as compared to coaxial cable.

A USB WiFi adapter overrides the computer's built-in wireless functionality, giving you a faster, more reliable connection to your available network signals through the USB port instead. Since most computers have at least one USB port, you'll typically be able to use it on both laptops and desktops.

Most wifi DEPENDS on the the wired connection the router, and not the other way around. The wifi speed depends on the speed of the wired connection. So YES, the wired connection could slow down the wifi. Wired Internet connections can be MUCH faster, not slower than wireless.

A wireless network allows devices to stay connected to the network but roam untethered to any wires. A wired network uses cables to connect devices, such as laptop or desktop computers, to the Internet or another network. A wired network has some disadvantages when compared to a wireless network.

The motherboards only usually have a slot for wired connection. You need to buy a wifi card or a USB wifi dongle device, unless otherwise stated, most motherboards do not have wifi. one should buy an adapter, preferably one that's PCI-E.

When you are looking at the performance between a wired and wireless router, wired routers provide the best performance possible. Most wired connections offer 10/100/1000 Mbps bandwidth, where a wireless router offers a theoretical bandwidth of much less.