Wi-Fi waves are basically just radio waves. That’s the same as the electromagnetic waves you pick up with your phone or radio, but Wi-Fi waves are fairly short. Wifi waves are about 3 to 5 inches from crest to crest or only 12 centimeters long. Compare that to AM radio waves which are hundreds of meters long. The distance between wifi waves is shorter than that of radio waves and longer than that of microwaves.
The signal gets weaker as it gets further from the router and generally, it can’t really go more than 150 feet from a single router. They actually get absorbed and blocked by walls and metal surfaces. so the way you position your Wi-Fi router makes a huge difference in how strong the signal is throughout your house
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Place Your Router In the Center Of Your House
One thing you definitely want to do is put your router near the center of your house because it broadcasts the signal out with equal strength to all directions. Place it in an open space like somewhere you can see from any angle of your house and not in a locker or a wall since it will block the signal.
Lift Your Router
Aside from placing your router at a vantage space, You also really have to lift your router up off the ground because the signals can’t penetrate some of the materials that make up floors like, Metal or concrete cement and also the way most routers are designed they broadcast the Wifi waves slightly downwards.
Keep Your Router Far From Other Electronics
A lot of other electronics can interfere with the router signal things like TVs, microwaves, pretty much anything that has a motor inside it. So you want to keep the router away from other electronics just to keep your Wifi strength.
Switch to 5 GHz
If you have an access point or WIFI Extender, then this would be great for you. The 5 GHz wireless frequency provides faster data rates at shorter distances and is typically much less busy than the 2.4 GHz wireless frequency. If your router supports it, consider switching to it for an instant short-range speed boost. As the Extender will carry the same speed to the other areas.
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Direct Your Routers Antennas
Most routers have two antennas on them and ideally, you could position one of them vertically and one horizontally. Devices work best when their internal antennas are parallel with the routers and so most antennas inside laptops are horizontal, but if you’re using a mobile device or a tablet, it depends on how you’re holding it.
So that way if you have one horizontal and one vertical you have the highest chance of having a parallel match with antennas.
Don’t Forget to Reboot
“If it doesn’t work, try switching it on and off”, also applies to WiFi routers. A simple reboot is often enough to considerably improve your WiFi speeds or strength. A reboot clears the router’s memory and allows updates to install.
Buy a WiFi Repeater/ Booster/ Extender
For areas in your home that has a weak signal of your wifi, this would help extend the strength by just amplifying it. WiFi repeaters are relatively simple devices that take an existing signal from your WiFi router and rebroadcast it as a new network. This new network is just an extension of your main network, and all data that go through it also go through the main network.