Questions tagged [802.11n]

IEEE 802.11n is a wireless networking standard that uses multiple antennas to increase data rates. With this tag should be marked the questions relative to this specific version of the protocol.

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Unexplained wifi speeds on a TD-W9970 router, 802.11n, 40MHz Channel Width, 2.4GHz, with a Samsung Galaxy S9 and a Dell XPS 9560

My TD-W9970 modem/router is set in Wireless Mode. It has no cables connected to it, besides the power cable. I have it's Wifi card on, and I have connected 2 wireless clients to it, nothing else: A ...
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Tablet and Wi-Fi AP can't agree on a channel. Which device is violating the 802.11n standard?

Yesterday I received a Fire 7 (9th Gen) Tablet. According to the official datasheet, it supports dual-band 802.11n Wi-Fi. To my surprise, the SSID of my 5GHz Wi-Fi router didn't show up. After talking ...
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Problems with switching between Wi-Fi APs (roaming)

I had one Wi-Fi router at home but it wasn't enough to cover every room and I had another one lying around so I decided to connect them to cover more area. The basic config is following: ┌───────┐ ...
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624 views

Do I need to replace WiFi antennas in my laptop when upgrading the WiFi module?

I have a Packard Bell EasyNote LM85 laptop that comes with an Atheros AR5B95 WiFi module (mini-PCIe, 1x1, marketed as 802.11n (actually b/g for all practical purposes, maximum connection speed 54Mbps),...
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Wireless network adapter will not connect to internet, shows “No Internet, Secured” following uninstall of AT&T Global Network Client [closed]

I was attempting to uninstall some programs I wasn't using anymore, among them was AT&T Global Network Client. Since doing that I have not been unable to connect to the internet. All other devices ...
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1answer
197 views

Windows 10 finding wifi MAC address from HDD?

I had a Windows 10 laptop which is missing or got stolen, and I'm trying to locate it by scanning for its wifi MAC address. Unfortunately it was not allocated a static IP address in my network, so I ...
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2answers
326 views

Is it okay to mix 802.11n and 802.11ac access points?

My parents' house currently has a single 802.11b/g/n/ac access point. It covers about 2/3 of their first floor and 1/3 of their second floor. The rest is lacking signal. They want me to close this gap ...
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374 views

PCIe Wireless Card vs. USB dongle [closed]

My laptop's wireless card uses the older wireless 802.11n protocol, and I would like to upgrade to the 802.11ac protocol. So, I can either use a new mini PCIe wireless card or use a dual-band wifi ...
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1answer
668 views

OpenWRT noack and mcs rate

Are different MCS rates supported when you are running in noack mode? Context: I am using ath9k modems+Compex WPQ864 (linux-ipq864) boards. I have configured one of the boards as Access point and ...
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787 views

Force wireless adapter to connect 802.11n?

I have an Xiaomi 802.11n USB Wireless Adapter and a TP-Link WR740N wireless Router, the adapter is always connected using 802.11g and the speed of the connection is 54Mps. Can I force my pc to ...
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675 views

802.11ac Router and Adapter Use 802.11n

I have a Linksys WRT1200AC running OpenWRT in 5GHz mode (the 2.4GHz one has a different SSID) with 80MHz width and a TP-LINK Archer T8E AC1750 which connects my computer to the router. They're both in ...
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1answer
567 views

802.11n CSI tool

I am trying to run a CSI tool Installation went OK. I can connect to an 802.11n no security AP (ZTE ZXHN H168N V3.1), HT rate, 40 MHz BW; I can ping the AP, but no messages are displayed in the CSI ...
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219 views

WMM/WME(802.11e) not working properly in 802.11n?

I'm performing some tests regarding 802.11e (WMM/WME) performance and when doing up-link it isn't working properly. Im using an Lynksys 1200ac with OpenWrt/LEDE as AP, and two PCs lets say PC1 and ...
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Why isn't my dlink N300 DIR-615 use 5Ghz band?

I have a dlink N300 DIR-615 dual band N router which i have put it in 802.11n mode via router settings but when i attempt to connect it using my mac which supports AC wifi but it only uses 2.4Ghz ...
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109 views

Why low Uplink throughput when using EDCF / 802.11 WMM/WME?

I'm performing some tests regarding 802.11e (WMM/WME) performance, and I'm getting some unwanted results. Im using an Lynksys 1200ac with OpenWrt/LEDE installed as AP, and two PCs lets say PC1 and ...
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3answers
3k views

What noticeable effects do slow ping times have?

On a network that I volunteer to help maintain, I installed a router that (unfortunately) increases average ping times by almost double - from 17ms (average) to 30ms (average) - for 802.11n 2.4GHz ...
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1answer
304 views

How often will an unassociated STA scan the network?

Consider an 802.11 STA that is currently unassociated. While unassociated, how often will it scan the network (passively or actively) to determine available APs? There is enough information about the ...
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1answer
194 views

Edimax AC1200 supports 802.11ac but only connects via 802.11n; why?

My laptop can connect to my home network using 802.11ac just fine. However, according to Windows, my Edimax AC1200, only connects to the network via 802.11n. This is despite the fact that the ...
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3answers
77k views

Is wireless n only faster than mixed mode? [duplicate]

I thought wireless n is backwards compatible with g and b (and wireless g is backwards compatible with b)? If this is so, why do many home routers have settings to specify "wireless n only"? I have ...
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2answers
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Google Wifi not working with Intel Centrino Wireless-N 1030

I just got a Google Wifi, and almost all our devices connect to the new network fine. The exception is an old Windows 7 Dell Inspiron N5110 laptop, which sees the network but isn't able to connect. ...
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Not Able to Connect to Router using WiFi

I have a laptop which is a few years old now. We have recently got a new Netgear ADSL2 modem/router for work which says on its box that it has two WiFi interfaces: 802.11n 2.4GHz (3x3) & 802.11AC ...
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3k views

Slow wireless speeds with WiFi card

Using Linksys Gigabit AC5400/EA9500 router with Intel AC7260 Very similar issue with this post Context here: I'm running into the exact same problem as per the link above. However, I did turn my ...
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349 views

Do WIFI access points relay transmissions or just facilitate transactions between two machines connected to it?

I'm wondering about the specifics of the way infrastructure Wi-Fi devices operate. I'd always assumed that all data is transmitted to the router, and then broadcasted out to the relevant device. I'd ...
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1answer
565 views

Why a wifi adapter would suddenly not support wireless N mode?

I have my router set up to only allow n mode (802.11 N Support Required). This has worked to perfection for the last couple months. I started my laptop today and it refuses to connect to the Wifi, ...
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1answer
144 views

What is the reason for speed jumps in this Wifi transmission?

In this picture: The X axis is time slots of 5 seconds each and the Y axis is the number of 1KiB packets transmitted in that slot. The blue graph shows the actual number of transmitted packets using ...
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1answer
2k views

My Intel wireless adapter won't work on 802.11n mode on Windows 10

I recently got a new wireless router (TP-Link TD-W8970) which is set to mixed b/g/n mode but I realised that my Windows 10 computer works only on b or g mode. My wireless network adapter is an Intel ...
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2answers
154 views

Is it worth getting a MIMO network adapter?

I will be getting a new 802.11n adapter soon. Will getting a two-antenna MIMO adapter potentially improve bandwidth and/or signal quality if my router does not support MIMO? If yes, how should i ...
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1answer
135 views

Two 802.11n access points in same LAN bridged through Gigabit Ethernet

I have a wired home Gigabit Ethernet LAN with several PC's and other devices operating correctly over it and one WiFi N access point/switch/gateway. I have installed another 802.11n access point (the ...
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1answer
1k views

How to override wifi broadcast speed limit?

In the 802.11 protocol broadcast happens at minimum speeds (usually 1 Mbps) since there is no ACK system to know if the packet has been delivered successfully. But I want to broadcast a video stream ...
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1answer
211 views

How to calculate “interference weight” between 20MHz, 40MHz and 11ac 80MHz APs?

I want to know how to calculate the "interference weight" in the combination of APs running on different channel frequencies. Lets say I have 10 APs in different operating modes, such as 11a, 11a/n ...
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1answer
920 views

Will setting an access point to 802.11n mode only restrict the ability of 802.11g devices to connect?

I have an access point that allows for 802.11n and 802.11b/g/n modes. If the AP is set to 802.11n mode in the 2.4Ghz spectrum, are 802.11g clients able to connect?
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1answer
11k views

Can I use a 802.11ac Wifi USB adapter for a 802.11n Wifi network?

I'm planning to purchase an USB Wifi adapter to connect to my wifi which uses 802.11n mode. Can I connect a 802.11ac Wifi adapter to this network or do I need to find specifically a 802.11n USB ...
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1answer
1k views

Broadcom 802.11n won't connect to home network

This has been very frustrating. I have updated firmware on my old router. I updated bios. Uninstalled wireless card and rebooted. Updated wireless driver. Bought a new router. I get ip address and ...
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3answers
6k views

Why is my 2.4GHz wireless network so slow?

I am trying to copy a 300MB file from one computer to another via 802.11g / 2.4GHz. My transfer speed is 256KB/second. My signal strength is reported by Windows as excellent. Any ideas as to why it's ...
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1answer
639 views

Can a device with a 802.11g NIC see a 802.11ac/n router?

I'm contemplating upgrading to an 802.11ac router. My current router is 802.11n/g. All the wireless devices I have only have 802.11g NICs and can not even see the 802.11n band. If I upgrade to the ...
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1answer
2k views

Laptop adapter using 802.11g radio protocol instead of 802.11n

I have a HP Pavilion 15-p007tx Notebook PC which has a IEEE 802.11b/g/n wifi adapter. The speed of the connection is 50Mbps on the home network and the router supports 802.11n protocol. The laptops ...
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2answers
566 views

Wireless router with both 'AC' and 'N' clients on the 'AC' 5GHz SSID? Is there an impact on speed to either N or AC clients?

My ISP now supports up to 300Mbps down. I would like to buy and configure a wifi router that can offer this speed via WiFi, but can also support max speeds on legacy N clients with no impact to the ...
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3k views

Setting channel width with rt2870: iw: Device or resource busy (-16)

I only now found out that my USB WiFi stick is capable of n-WiFi (Edimax EW-7711USn), so naturally, I'd like to get the highest possible speed from it. My link is great, 29dbM and 70/70 quality, but ...
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2answers
652 views

Any realistic advantage of 802.11ac over 802.11n for a regular home connection?

I am using a 802.11ac Asus - 802.11ac Dual-Band Gigabit Wireless router. Don't have any complains yet but does it really matter to go from a $90 802.11n router to $200 802.11ac router? In theory, max ...
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4answers
5k views

How can I tell whether a USB WiFi adaptor supports the Infrastructure mode?

I need a USB WiFi adaptor which supports the Infrastructure mode (not Ad-Hoc) - (i.e. I want to use a laptop as a WiFi access point). How can I tell which WiFi adaptors support the Infrastructure ...
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3answers
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802.11ac Poor Performance

I have a relatively simple wireless network setup. The access point is an Asus RT-AC68U which supports 802.11ac. I have two USB wireless adapters: both are Asus USB-AC53's which also support 802.11ac. ...
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2answers
2k views

Adopting 802.11n, how to set it up for simultaneous dual band

I'm looking into upgrading my current Tomato ap to a 802.11n compliant access point initially using DD-WRT x86 until pfsense 2.2 alpha is out because pfsense 2.1 doesn't have 802.11n support. I'm ...
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1answer
316 views

Capturing more WLAN frames than sending/receiving Ethernet frames

I'm trying to determine whether a computer capturing WLAN frames on an 802.11n network does this correctly. I do this by letting one computer (1) generate traffic by downloading some files, and ...
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1answer
846 views

Why doesn't Wireshark capture management frames in promiscuous mode?

I am working with Wireshark in promiscuous mode, which is normally used to allow Wireshark to capture all the frames in the connected network. The problem is that Wireshark in this mode doesn't ...
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3answers
3k views

Force Mac/Win/Linux clients to use g when wifi AP supports b/g/n?

You can find many people asking how to get their laptop/desktop to use 802.11n when for some reason it insists on still using 802.11g with a wifi access point that supports 802.11n. I.e. they want to ...
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1answer
4k views

Cannot connect to 802.11b/g/n Wi-Fi with Intel 3945ABG card on Windows XP

Recently I've installed a new MikroTik router with 802.11b/g/n Wi-Fi (WPA2-PSK AES). All the client computers but one had no problem connecting to it. The one is old Amilo Pro V3545 with Intel 3945ABG ...
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8answers
2k views

Improving abysmal 802.11n wireless network

I am in desperate need of help to improve the abysmal performance of my 802.11n wireless network. At best I get 30Mbs (this is an internet download) from a technology that boasts 300Mbs, even worse is ...
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0answers
194 views

How does windows prioritize what AP to connect to if multiple are available for the same SSID?

I'm wondering, I administrate a setup where we have multiple AP's feeding the same SSID on 2.4ghz and 5ghz frequencies. Without access to anything but the dBm how could I determine what frequency / ...
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1answer
1k views

802.11n wlan card 5ghz router compatability

I have a question about 802.11n wlan cards in general: if they support 802.11n radio types, shouldn't they be able to connect to 802.11n 5ghz bands transmitted by routers? I read into this online, ...
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2answers
2k views

Wifi N speed is slow for internet downloads, yet fast locally, and decent in bridge mode. What gives?

I have an e2500 and a macbook pro early 2011 bonded with it at 300 Mbps. My Comcast internet connection is 50+ Mbps via ethernet but only 25-26 Mbps via Wireless-N. When my wireless router is set to ...