In this scenario, the clients connected to the Access Point “B” need to unnecessarily spend time discarding the data coming from the Access Point “ A”. Now whenever Access Point “A” sends some data to its clients, the signal is received by all the clients irrespective of whether they are associated with the Access Point “A” or Access Point “ B”.
Now, if both the Access Points are working on the same channel, say channel 6. Each network has a single Access Point and few laptops connected to them. Similar to this lets imagine there are two WiFi networks side by side. The chart below shows range of electromagnetic waves and their usage. These waves are generally characterized using a term called 'Frequency'.
Some of these waves are longer and some are shorter. These waves are called Electromagnetic waves. When we say something is wireless, basically means information is transferred from one place to another using waves which we can't see. So lets start with the some of the aspects one by one…įirst let's know more about some basic aspects of wireless networks. Since you encounter WiFi everywhere during your day to day life, its worthwhile to know some basic aspects of WiFi which will enable you to make the best use of it. Its so simple for you to get connected to any wifi network nearby you and get instantly hooked up with the internet.Īlso if you are a bit tech savvy, you would also possibly have a WiFi network at your home which connects your laptop, your ipod, your home theater, may be a WiFi radio set and so on. If you are a laptop or an iphone user or carry any wifi enabled handset, the first thing you care about is the presence of WiFi wherever you are.