IEEE 802.11 is a set of standards for implementing wireless local area network (WLAN) computer communication in the 2.4, 3.6 and 5 GHz frequency bands.
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802.11ac Mini-card for a laptop [closed]
Just curious if anyone knows of where I can find an 802.11ac mini-card to install in a laptop. I picked up several of those WAPs and sprinkled them about the house (lots of obstructions), and I'm keen ...
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Server with WiFi interface in STA + AP mode, versus regular AP mode
I have one very small server (linux), used just as a video platform for my tablets (android and ipads). As I am usually closer with my tablet to the server itself, than to the Network Access Point, I ...
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2answers
150 views
Wireshark - Help seeing all network traffic
I have a Ralink RT3290 802.11bgn Wi-Fi Adapter and am running Windows 8. Sadly although my new computer helps in the design and testing of my touch based applications, my Network Engineering abilities ...
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1answer
145 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 ...
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1answer
98 views
How do I capture 802.11 headers on an AP while not in monitor mode?
I am wondering if it is possible to extract 802.11 frames on a router running OpenWrt operating as an access point. I tried using tcpdump and loading the dumped packets in Wireshark, but I could only ...
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1answer
81 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. ...
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35 views
way to determine what wireless mode you are using for the connection
This might sound a stupid question to some of you. But is there a simple way (in windows) when connected to a wireless AP to determine what standard (a/b/g/n) your PC is currently using for the ...
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296 views
Is it possible for 20/40MHz Wireless Bandwidth to be less effective than 20Mhz mode?
A few new routers nowadays can become Access Points with a 20/40Mhz mode. I noticed on a wireless scanner (inSSIDer) that that mode is spread accross more channels so instead for example channel 5 ...
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2answers
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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 ...
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1answer
200 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 ...
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4answers
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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 ...
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Strange router behavior in airodump
While auditing the security of my wireless network I decided to take a peek at what airodump-ng could display.
This is what it outputs:
BSSID PWR Beacons #Data #/s CH MB ENC CIPHER ...
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1answer
160 views
Is an older router (b/g only) that supports DD-WRT or Tomato better than a new n supporting device?
I'm currently looking for a new router as my current one is dying and insecure. One of it's major problems is that it stopped getting updates from the manufacturer and doesn't support WPA2. Of the two ...
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2answers
743 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 ...
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2answers
151 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 ...
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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 ...
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1answer
223 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, ...
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1answer
154 views
802.1X and 802.11- can you prevent a rogue access point from the start?
Does the authentication mechanism of 802.1X assume that you have already initially connected to the trusted network? What's puzzling me is that if I set up a cloned access point to fool users into ...
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1answer
156 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?
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2answers
166 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 ...
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5answers
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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 ...
