A wireless network is any kind of computer network that is connected through a wireless medium, primarily known as using a wireless router creating a WLAN (Wireless Local Area Network).

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How does Wi-Fi modulate the electro-magnetic wave?

Not sure if this is the right site for this question, but mine is a simple one: Is Wi-Fi AM, FM or a combination of them both?
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Difference between Ethernet splitter and switch

I have one Ethernet port that is wired directly to the router on another level. However, I want to run a desktop and a server both off this one Ethernet port. Can anyone tell me the difference ...
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If two devices are emitting a wifi signal in the same frequency at the same time and reach an antenna at the same time, how can the data not overlap?

I mean, I know each packet is sent with a MAC address, but what about streaming? What happen if while the router is receiving one packet, a packet from another device arrives? How can the router ...
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How to run a program when connecting to a specific network in Windows 7

I want to have an executable run every time I connect to my wireless network at home. The purpose is to sync a folder on my laptop with my desktop machine. Is there any way run a program or script ...
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Do different positions of the antenna on a wireless router make any difference?

Often, the antenna of a wireless router can be moved in many directions. Does it make a difference as to which way it points? Should it point toward the device(s) using it? Should multiple antennas ...
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Why is my laptop favoring the wireless connection over my LAN connection?

When my laptop comes out of sleep, I have to typically wait about 90-120 seconds before my network (wireless or NIC card) 'wakes up'. During that time, I see my wireless connection with 'limited ...
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How to monitor bandwidth use of each device on wifi network

I have in my home a standard Comcast cable internet connection. I have it going from the wall to a cable modem, and from the modem to a late-series Linksys router, which provides wired and wireless ...
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Can long range Wi-Fi work if one end of the connection is not using a high-gain antenna?

I am trying to understand how long range Wi-Fi works. As far as I know, Wi-Fi consists of Tx and Rx. When a laptop is connected to an access point (AP), the laptop is able to receive data from the AP ...
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Is Bluetooth faster than Wi-Fi?

I notice that on my iPhone, when I use my personal hot-spot to distribute Wi-Fi, if I have Bluetooth enabled, the phone will make a Bluetooth connection to my laptop instead of a Wi-Fi connection. ...
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15answers
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Windows 7: Wi-Fi connection drops intermittently - only returns after “Troubleshoot connection” resets the adapter

On our laptop (running Windows 7) the Wi-Fi connection drops intermittently. Symptoms: Connectivity is suddenly lost, and the "signal strenght" indicator in the tray shows zero strength and a yellow ...
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500 Mbit/s powerline network, only 3.5 Mbyte/s transfer speed?

I have a TP-Link 500 Mbit/s Gigabit Powerline Adapter linking two computers (one Windows Vista and one Windows 7) in different rooms in the house. As in: Computer <-Ethernet ...
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Negative ping time?

This is the first time I've seen this and I'm not sure what it means; 64 bytes from 74.125.93.99: icmp_seq=6233 ttl=53 time=545.493 ms 64 bytes from 74.125.93.99: icmp_seq=6234 ttl=53 time=776.093 ...
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What angle is optimal for the antennas on my wireless network card?

I'm sharing a house with some friends and I'm in the bedroom right up in the attic. The router is right down on the ground floor and I get connectivity issues. I've found that if I adjust the two ...
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3answers
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Share a Wifi connection through wifi on Mac OS X

I have a WiFi connection and I would like to share it through my WiFi card to computers. For some security reason, it seems that only one device can access the WiFi connection directly. This is why I ...
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Windows 7 Automatically Connecting To Unsecured Wireless Networks On Startup

Most of the questions on this topic related to folks connecting to somebody else's wireless network when their own was available and could remedy the situation by going to their connections and ...
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9answers
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Are routers limited to number of devices?

I'm going to buy a new router, but, I've just realised that for nearly all routers I've looked at (Belkin, Netgear, D-Link) don't state the maximum number of devices which can connect concurrently. ...
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5answers
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How does Windows 7 decide which route to take if 2 connections to an internet source exist? (e.g. a Wireless and an Ethernet one to a router)

How does Windows 7 decide which route to take if 2 connections to the Internet exist? (e.g. wireless versus wired)
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Tethering on Windows 7?

Is there an option in Windows 7 (or 3rd party) to offer Tethering (that is, act as a WiFi hotspot while being connected to a WiFi network?)
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How can I detect unauthorized access on my 802.11 g/n network?

I am using a wireless network and I want to make sure that no unauthorized users are connecting through my access point. I am using the standard encryption the device supports. I know it is a ...
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How do I configure my Linksys routers to resist the WPS brute-force vulnerability?

US-CERT recently released Vulnerability Note VU#723755. http://www.kb.cert.org/vuls/id/723755 In short, this describes how modern wireless routers can have their PSKs discovered within just a matter ...
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How do I decrypt WPA2 encrypted packets using Wireshark?

I am trying to decrypt my WLAN data with Wireshark. I have already read and tried eveything on this page but without any success (well, I tried the example dump on that page and succeeded, but I fail ...
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Why is MAC-based authentication insecure?

Most wireless routers can use MAC-based authentication as part of their overall security scheme. It seems like a good idea, but I've heard that it is very ineffective, because it's easy to spoof MAC ...
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8answers
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Can you explain how to understand what the 'iwconfig' command displays in Ubuntu-9.04?

I'm having trouble making my wireless connection work, and I realized I don't really know how to use the tools I have, in this case, the iwconfig command in Ubuntu-9.04. Here is what I get: ...
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5answers
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Disable WLan if Wired/Cable Network is available

The question says it all. All i want is that my W-Lan connection should be disabled whenever a wired connection is available. What would be the easiest way to do that in Ubuntu/Gnome? In all guides ...
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What's DMZ used for in a home wireless router?

As far as I understand, by using DMZ you expose all of the host computer's ports to the Internet. What's that good for?
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How to give preference over one network connection over another?

Like most laptops, it has both both ethernet and wireless networking options. Likewise, I have a wireless router with 10/100/1000 Mbs. 90% of the time, wireless speeds suffice. But once in a while, ...
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Automatically prefer Ethernet over WLAN

Is is possible to force IP connections over the wired ethernet if it is connected and over wireless LAN if the wired ethernet is unavailabe (e.g. cable disconnected). Both network connections would be ...
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2answers
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Whats the significance (if any) of wifi channels 12-14?

I have a couple of devices that appear unable to see my router's WiFi signal when its put up on channel 12, 13, or 14. Some newer devices work fine without any problems. Others cannot see the signal. ...
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Playing large video files over wireless network. What technical specification should I look for when buying wireless router?

I have a Windows 7 desktop with a folder shared out joined to a wireless network. I regularly use my Android tablet (also joined to the same wireless network) to play video files that ranged from 1GB ...
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1answer
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Why does my microwave kick out the internet

I have had a standard Internet setup in my home network for many years and my router is set to 2.4 ghz but I just recently got a new microwave and every time I use it the Internet seems to kick out ...
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Wired to wireless bridge in Linux

I am attempting to set up my Raspberry Pi as a bridge, using Debian wheezy. I have a hostapd.conf: (some details changed for security, and yes, I know WEP is no good)... interface=wlan0 bridge=br0 ...
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How can I connect 2 windows 8 machines with WiFi Direct?

I noticed I have a WiFi direct network adapter in Device Manager. Did a bit of research and it provides peer-to-peer communication between two devices using WiFi. I searched on how to treansfer files ...
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Windows 7 machine makes router drop ALL wireless connections

Some background: My home network consists of my desktop computer, a two-month old Windows 7 (x64) machine which is online most frequently (N-spec), as well as three other Windows XP laptops ...
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5answers
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Set Ethernet Network as Metered Connection in Windows 8

Windows 8 introduced a new feature which allows users to set any Wi-Fi network as metered so that they can check their bandwidth usage: [img credit] But, it doesn't allow users to set any Ethernet ...
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8answers
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File transfer speed over Wifi 54g?

What's the maximum transfer speed you get, (or I can get) for files transfer between two wifi-connected computers ? Im on computer A trying to copy a big file from computer B, they are side by side ...
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Which methods help to improve wireless signal?

My router is in my family room, and there's not much I can do to move it, it's in the corner of the house. My room and computer is upstairs and I only get a signal strength of about 17 percent while ...
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How do multiple SSIDs provide security?

If the ADSL modem router provides multiple wireless SSIDs how does this offer security? Is it possible to have multiple subnets with SSIDs?
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Should uploading a file on DSL kill the download speed?

I have the 20,127/893 Kbps service through CenturyLink DSL. I've ran speed test and it typically reports speeds close to that. Except whenever I upload something substantial. Like a video file to ...
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Should I Upgrade My Old Wireless Router?

I have an old wireless router, and I mean stone age old (5 years). There is nothing wrong technically with the router, it serves my wireless needs at home but it is really darn old. A search on ...
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Difference between wifi router and access point?

I see both terms used, and I was wondering what the difference is between a wifi router, and a wifi access point. Does the latter only create a LAN, with no way to connect the wifi box with a second ...
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Is bluetooth tethering slower than Wifi?

I'm tethering a Galaxy Nexus (running Android ICS) with my Macbook Pro (2009 model, running Lion). What's the difference between bluetooth and wifi tethering in terms of: latency bandwidth power ...
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1answer
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Providing passwords to multiple users on a wi-fi network

I have a wi-fi network that is being used by more than 400 users. Right now they are given access by a single password which the system administrator types on the individual workstations during the ...
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If a computer is connected to internet via wireless and lan both, which way Internet traffic would flow?

How does this actually work? How different ip addresses on ethernet adapter and wireless adapter are handled for internet data? I know these ip are translated in NAT table but the whole process ...
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3answers
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Prevent outgoing traffic unless OpenVPN connection is active using pf.conf on Mac OS X

I've been able to deny all connections to external networks unless my OpenVPN connection is active using pf.conf. However, I lose Wi-Fi connectivity if the connection is broken by closing and opening ...
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2answers
2k views

Why do some WiFi routers block multicast packets going from wired to wireless?

I have worked with dozens of consumer grade WiFi routers, and they have been really hit-or-miss with this, though it seems to be getting better. Example of issue: A device that can be discovered ...
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1answer
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How can I share a laptop's Wi-Fi connection through its Ethernet port?

I have two laptops, one with a working Wi-Fi connection (Laptop 1) and one without (Laptop 2). As I have no Ethernet plugs nearby I want to connect Laptop 2 to Laptop 1 via an Ethernet cable so that ...
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How to take advantage of two Internet connections (WiFi / Wired)?

I have two separate internet connections, one through WiFi and other Wired. However, generally I have observed that Windows try to use only one ( mostly faster one/ Or Wired by preference - I am not ...
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Windows 7 - Wireless connection before login possible?

Is there a way for Windows 7 to connect to a wireless network before a user has logged in? I have found no good answers to this question elsewhere. Some say it should already be happening if I am ...
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4answers
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Flatmate uses torrents, will this slow the internet connection?

I share the internet with two other people and I know one of them uses utorrents and is constantly downloading. When her computer is off the internet is substantially faster, would this be because of ...
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Displaying ads over WiFi hotspot [closed]

I have recently distributed my WiFi network with highpseed antennas to my area which covers almost 300-400 peoples. I am not charging them anything but i would like to generate some revenue through ...