-1
votes
0answers
8 views

How can I cause interference to an AP operating on 802.11g using laptops?

I want to cause interference to an AP operating on 802.11g using laptops, to study its effects on various metrics. I've tried creating an ad-hoc network on the same channel and frequency with laptop A ...
0
votes
0answers
14 views

Slow internet on Atheros AR9485EB-EG and strange router behaviour

I have new Asus Q301LA laptop with Atheros AR9485EB-EG Wireless card, Windows 8 to 8.1 updated, router Cisco something (from Internet provider) and 30 Mb/s download speed on cable. Laptop reports only ...
0
votes
3answers
20 views

Can I reduce AP's network and system load with using 802.11b on 802.11g AP?

One of my customer uses 3 Linksys WAP200 AP. Recently, customer reports that they got low wireless speed(about 500kB/s) and low wireless connection reliability. (That means, wireless links keep ...
0
votes
2answers
125 views

How many bytes of a WLAN packet do I have to examine to extract MAC addresses?

How many bytes of a 802.11 (WLAN) packet do I have to examine to be able to extract source, destination, receiver and transmitter adress from the header? This image suggests the header length of a ...
4
votes
1answer
370 views

Is there a limit to how many separate wifi networks can successfully and securely operate within a given (building) area without interference issues?

I work for a multifamily housing developer. We build apartments. In this case, we are building a facility with about 600 beds (~220 separate housing units). The density is that of a typical apartment ...
0
votes
1answer
260 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 ...
0
votes
1answer
302 views

Why is my Wi-Fi signal degraded after upgrading Wi-Fi card?

I recently upgraded my desktop's Wi-Fi card from an Intel 6230 to the latest, greatest Intel 7260 AC. I used 5GHz 802.11n, but after the upgrade, the 5GHz band becomes unusably slow (some web pages ...
1
vote
0answers
296 views

How to tell if I'm using 802.11AC?

I have an ASUS USB-AC53 wireless adapter, with a Netgear 6300v2. The speeds are OK. There is 2 drywall walls separating the computer from the router, and only about 20ft. The signal strength and all ...
1
vote
1answer
1k views

802.11ac mixed with 802.11g devices- will this cause slowdowns?

I'm looking to upgrade to 802.11ac on my home wifi network, and have noticed that most airplay certified wireless speakers only contain 802.11g chips. Will including one or more of these 11g devices ...
0
votes
1answer
503 views

Max outdoor range of WiFi [closed]

So my question is fairly simple, in a normal suburban setting (2 story buildings, no high rises, etc), what is the maximum range you could expect from a WiFi router? Preferably something faster like ...
0
votes
1answer
2k views

What's the difference between a wifi access point and station?

I noticed that my (rooted) modem has some hidden modes for wifi. It has the default(and only setting without rooting) wireless access point, but it also has the settings repeater, ad-hoc, and station. ...
1
vote
2answers
3k views

Trying to understand Wireless N vs Wireless AC [closed]

Whenever a new wireless standard gets approved you expect faster speeds and longer range. From everything that I've read about it, it seems that AC will only transfer over the 5GHz band and up to ...
3
votes
1answer
318 views

Can a 3x3 802.11n Wi-Fi router use all its capacity even if no clients support 3x3?

If I have a Wi-Fi router with 3x3 radio chains (i.e. '450mbit'), but no clients that support three streams, can I still benefit from the extra radio chain by having multiple clients? e.g. could the ...
26
votes
7answers
31k views

Is it better to use a crowded 2.4GHz Wi-Fi channel 1, 6, 11 or “unused” 3, 4, 8, or 9?

I understand that 2.4GHz Wi-Fi channels overlap, and that the most popular non-overlapping set of channels in the US is 1, 6, and 11. Generally, my signal strength on channels 1, 6, and 11 are much ...
2
votes
2answers
2k views

Erratic WiFi 2.4 GHz channel spikes, what gives?

Sorry guys, first a gripe about my neighbor's WiFi access point (it is related): they totally hog the center nine 2.4 GHz channels (3-11), centered right at 7! I know the outer regions of the signal ...
0
votes
2answers
228 views

Windows 7 Professional: won't associate to the closer of two APs

In my office, the network administrator has configured two separate 802.11g/n APs with the same SSID on the same channel (6) but about 50 metres apart*. The two APs are not configured as a WDS as far ...
8
votes
3answers
24k views

Why use wifi channels other than 1, 6 or 11?

Wifi channels 1, 6 and 11 do not overlap. However, any channel in between them does. e.g. channel 3 would use some of the frequency band of channel 1 & 6, and channel 9 would use some of the ...
1
vote
1answer
310 views

Dualband WiFi adapters/routers

I seem to remember reading somewhere about dualband adapters that can take advantage of specifically-configured dualband routers in order to connect on both the 2.4GHz and 5GHz bands simultaneously, ...
-1
votes
1answer
191 views

Is a rogue access point the same as a fake access point?

Is a rogue access point simply an additional access point inserted into a network? Is it distinctly different from an access point which is trying to spoof another official access point?
2
votes
2answers
175 views

Is 802.11g speed affected by slow 802.11g devices?

In general, if I have a 802.11g AP and a client is connected at a speed of 22Mbps (as seen from the AP's administrative interface), will this affect the speed/throughput of other devices connected to ...
51
votes
5answers
6k views

If there are 13 Wifi channels, can I only use 13 Wifi devices on the same room?

As wikipedia reference, 802.11 standards (which defines Wi-fi networks) tell us that wireless networks works with 13 different channels on OFDM (depending on the release, a, b, g or n). From this I ...