Saturday, October 1, 2011

WiFi History

Wi-Fi is a technology that many people have desired. Dream of the Internet in a quick, cheap and easily from anywhere, it seemed so close. But it lived up to expectations?

The technical issues surrounding WiFi are very important. It all started in October 1999, IEEE 802.11b wireless protocol. This provided a 5 Mbit / s transmission, and power range of 150-300 meters, but not fast enough for all, soon became very popular, it offers clear advantages of freedom of wired connections. The new standard was developed and became popular even before it was ratified in June 2003. 802.11g transfer rate is increased to about 22 Mbit / s, which is not yet ready for the future, but more than enough for most people. The new standard is backward compatible, so people in the old hardware can be used for new devices. This has made a seamless transition.

Unfortunately, there are some restrictions on the Wi-Fi. First of all, it is susceptible to interference from other devices, which operate on the same frequency (2.4 GHz). Microwave ovens, Bluetooth devices, cordless phones and baby monitors all have the potential to cause falls services - users too bad. "Power users, such as online players prefer to stick wired connections more reliable. The technology is moving and the last management standard - 802.11n - will soon deliver another important step forward, if you have the right equipment.

All this said, there is great satisfaction to be gained by sitting in a cafe with your laptop to communicate instantly with people around the world and access important information. WiFi works when it works very well and can be a real lifesaver. The best part is being able to use it on the road when you are out and about. But it is not always as simple as it sounds. Various studies have been done to make WiFi available on a Pay-As-You-Go plan, but may be too complicated and always expensive. There have been attempts to provide the Community network (such as Sunnyvale, California, is one of the few success), and time will tell how they become widespread.

So far, the best approach seems to be to find the airport, train station, cafe, bar or hotel that offers free WiFi. Normally, it is easy enough to get a password for the institution (although the instructions should be given at the time of connection). In this way, you do not have to worry about a serious annoyance and trouble to create a payment account. In fact, why you should set up an account for payment? WiFi is not expensive to install if you do not want to be a complicated system of payment. Another advantage of using WiFi is that you can use anywhere in the world. There is no need to call home when you can send photos, email and online chat.