Please explain wireless wifi adapters

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equilibrium814

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Jul 8, 2018
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My adapter: https://www.amazon.co.uk/VIPFAN-1200Mbps-Wireless-Supports-10-4-10-12/dp/B07DDDR3Y1/ref=mp_s_a_1_15?ie=UTF8&qid=1535162833&sr=8-15&pi=AC_SX236_SY340_FMwebp_QL65&keywords=ac1200+wireless+wifi+wifi+adapter
There are different ones on the market.I currently want to get the AC1200 as it has a speed of 1200mbs @5GHz. My question is, is the GHz based on your CPU speed or can you select what speed option between 5GHz and 2.4GHz. For PC gaming, will 5ghz be optimal? Also is mbps download speed? System: rx580x8gb ryzen1200 8gb 2400mhz dual channel asrock mini ab350m corsair vs650 21.5' 75hz monitor.
 
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Use powerline adapters. The newer av2 based ones work well for most people. The tlink av2-1200 tend to be reasonably priced and tend to be on the top of most reviews for performance.

Powerline will be much better for gaming than wifi
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Joseph_112

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Aug 29, 2016
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No, nothing you are saying is correct for a wifi adapter. You computer doesn't really matter for a usb wifi adapter. Companies always seem to quote total max bandwidth that a device can handle, aka 1200mbps means that is the max bandwidth possible of the ac1200 technology. 5GHZ is the radio band of the wifi, nothing to do with CPU.
That being said, an AC1200 dual band usb wifi adapter might be able to handle a max speed of around 130-150 mbps through maybe one wall away from a router that is also providing that speed. Also bandwidth doesn't help gaming, its latency or "ping" do an ookla speedtest to find out your ping, a wired connection will always have better ping.
 
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why_wolf

why_wolf

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Aug 28, 2015
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The Ghz is a reference to the wireless radio frequency. 2.4 Ghz and 5 Ghz are public open frequencies that all consumer devices can use without license. It has nothing to do with the CPU.


5 Ghz is more powerful in terms of much data can be crammed into but it can't penetrate objects like walls as well or at all depending on the object. 2.4 Ghz has better penetration and thus range.

mbps is how you count megabits while MB/s is how you count megabytes. Both count the same thing they just count using different math. Generally you see mbps used in reference to download speeds because it makes a larger number, example a 1000 mbps is 125 MB/s.
 
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bill001g

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Aug 9, 2012
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I would not buy that particular product. First you can find nothing on that brand other than people selling on amazon and similar sites. You will not be able to get drivers updates from anyone other than the sellers and I doubt they manufacture these devices.

Next I can not see how they can claim 1200 on 5g and 600 on 2.4g.

The vast majority of times when you see someone use the 1200 number it means 900 on 5g and 300 on 2.4g. BUT this device can not even do that. To get what most companies call "1200" you need 2 antenna

Since this device only has a single antenna the fastest possible encoding it can use comes out to a speed of 433 on 5g and 150mbps on 2.4g. If you tell the common lie this would be called a "600" since they pretend the 433 is 450

Even though all manufacture tend to be deceptive when it comes to these numbers this one is stating things that can not be true. For that reason alone I would avoid it.

Buy a brand name device. When microsoft forces a software update on your machine and it breaks the drivers you know you can get new drivers and be back and running.
 
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equilibrium814

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Jul 8, 2018
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I cannot use an ethernet cable because my PC is on the 3rd floor and my router is on the first: it will be extremely inconvenient. Thanks everyone for the help! Could someone please recommend me a wifi adapter then that is the best bang for buck, or potentially any other alternative way to connect to the internet?Is an ethernet really the best method?
 
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