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(signal strength is a negative number, the close to zero the stronger the signal). Any signal stronger than -65dBm can be used on most long distance links.
#Wifi interference test reddit download#
If you have a smartphone, download an app like WiFi Analyzer which shows you in a more precise method how strong your signal is.
#Wifi interference test reddit pro#
PRO TIP!If you know a business with open WiFi, have a friendly neighbor who gave you their password or even if want to access your home WiFi from the guest house, barn or garage it’s good practice to go stand outside the walls of the hotspot source with a WiFi enabled device and test how strong the signal is. This handy calculator tells you how high you should place your antennas given all the variables that you will encounter. But in fact the signal spreads up, down, left and right as it makes its way to your devices. Many think of a WiFi connection as a single beam of data between the receiver and transmitter. This is thanks to a phenomenon called the Fresnel Zone. The same goes on the transmitting side, the more power behind your router or access point the more signal it can put out.Įlevation - The first two points are very important to get you access to the signal, but elevation plays a major role in the amount of actual usable internet (bandwidth) you will have on the receiving end. The higher the power of your receiving end the more your USB adapter or access point can “listen” for signal. While this may seem as a bummer, it’s actually a good thing! It helps to reduce “noise” from others around you ensuring that your signal doesn’t get “knocked out”. Power - When it comes to power we are often limited by the FCC in how much your router can transmit and your receiver can use. In some cases however you are able to overcome certain obstructions by using specialized antennas, more on that later, but as a rule of thumb the better the view the more signal you are going to have access too. The more walls, trees, buildings, mountains and even other speakers you have between you and the speaker the less sound you’re going to hear. To understand this a bit better, think of WiFi like you would sound waves coming from speakers. Line of sight - WiFi is heavily dependent on having a clear line of sight between the antenna and the hotspot you are trying to access. In order to even give yourself a chance at a successful connection with enough bandwidth you’re going to need to meet the following 3 prerequisites: We’ll start by first covering some of the limitations that must be understood in order to make sure a long distance WiFi solution is even viable.
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The great news is that with about 5 minutes of reading this blog post, one can begin to feel comfortable enough to decide on what is right for you. When it comes to choosing the right WiFI antenna for your wireless networking solutions, the abundance of variations and technical terminology can seem daunting. The complete WiFi cheat sheet! Everything you need to know to get started.
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