Wifi Definition and 69 Threads

My wife has an ASUS laptop K53E series Notebook running Windows 7 Home Premium which she bought to use at her work (she is a teacher), the school part purchased with her and had the school IT set up everything. The problem started when the school IT wonk set up the WIFI to connect to the school...

Hello I'm designing a project and i need a sensor that can detect human motion.I would like to detect the output signal of this sensor by searching it via laptop or mobile phone as if they are searching for a wifi signal. I would like to know if such sensor is available or should i build a...

Does a wifi client (such as a laptop or phone) transmit anything prior to associating (or attempting to associate) with an AP? I suspect no, but I have searched the web and skimmed various specs and standards and I have not been able to find the answer. If you answer my question, please...

Hi, I'm doing a project to send messages from a PC to a micro controller using WiFi. The MCU will intern display the message on an LCD. I have doubts about what devices I should buy to make the wifi communication and also what type of MCU I need to buy?...Any suggestions...

I don't know how many of you travel but I am wondering if any of you know the story behind free Wifi at airports? More specifically, why is it that Seattle, Pittsburgh, Phoenix, Tucson, San Francisco, Denver, San Antonio, Boston, Chicago, Detroit, Washington and other major cities offer free...

http://www.cnngo.com/explorations/life/mount-everest-has-no-wi-fi-and-too-much-snow-014380?hpt=Sbin ...and homogenous views: snow, snow and more snow.

Hi - the building community where I live has just installed a few Wi-Fi ("sector", I believe) antennas and one of them is at same height and facing straight into my apartment. They are probably 10-15 meters across my apartment. I have a one year old son, and concerned about any health effects...

could one attach an op amp to a wifi transmitter to amplify the signal? thanks.

A little gizmo with one heckuva claim was demonstrated at the Consumer Electronics Show (CES) recently. The Airnergy by RCA claims to be able to scavenge enough energy from WiFi (and presumably the 2.4GHz band) to juice up its own internal battery and allow a user to charge up devices on the...

wifi n bluetooth technology how?? how can the bluetooth n wi-fi rays or waves can travel even through the walls ...i mean what might be the properties

Hi - I live full time in an RV that is surrounded by aluminum - essentially a faraday cage, except for a few rather small windows. I'd like to mount a WiFi antenna on the roof and run a cable in a window or thru a small hole. Basic issue - how to get a good signal from a campground WiFi...

Wifi networks. Dangerous for health?? Hi, Recently, I have installed a wireless router to create a network at home between 2 computers. This question to say the truth has worried me a bit because searching in the net about this question we can find a lot of opinions warning about the use of...

Is it legal to host free WiFi access? Especially in places like a cafe if you owned one. Or does one have to pay some additional royalties?

I have an ADSL connection to my PC. I bought an ADSL WIFI antenna box so I can receive the high speed internet network on my notebook in the other room or backyard of my house. It works OK, I can even completely turn off my desktop PC and just connet the WIFI box - antenna to power supply and...

I only have a 56 K modem attached to my computer. I have another laptop (or notebook PC) that has a WIFI connection. Is it possible or are there some kinds of routers that allow me to attach the WIFI router - device on the telephone line that communicates at 56 K modem mode and be able to...

an anybody explain the effect of electromagnetic signal emitted by wifi hotspot to our health? Is it dangerous? sorry, I'm just being paranoid... :-p

is 11MB/s sufficient for all broadband? my college goes wireless now, i need to purchase one PCMCIA WIFI or USB2 donggle, 11MB/s can last for how long before obsolete?

Hey guys! In a magazine I was reading recently, they mentioned that they are now testing wireless internet over the power lines! They said they've known for years that the powerlines are a great way to do such things, because they are nice copper cables that are run practically...

I moved into a new condo last week. It has concrete block walls and concrete floors and ceilings. Needless to say, the wireless reception is terrible. I bought two of http://www.hawkingtech.com/prodSpec.php?ProdID=183 - 90 degree directional antennas. They helped a little, but...