The primary means of communicating information of these days are voice and Internet. The unlimited accesses toInternet and sheer number of people connected to the Internet have made industry captain realize its potential. The industry now plans its marketing and communication strategies around the Internet. Today every banking to education, research to health-care is affected by it. E-mail is the way to communicate today. Practically who use the Internet uses E-mail. The wireless technologies and the Internet were growing separately. The wireless industry initially struggled within a number of issues like low bandwidth and low connection stability, to bring Internet to its users.

They came together to form a common forum to tackle these issues. This forum is called the WAP. The wireless application protocol.In this paper we are going to focus on the two most popular and most essential wireless technologies used in 21century

• GPS
• WI-FI

So to make aware about wireless technology its a small try by engineering students.

What is GPS?

The GlobalPositioning System (GPS) is a worldwide radio-Navigation system formed from a constellation of 24 satellites and their ground stations.GPS uses these"man-made stars" as reference points to calculate positions accurate.In a sense it's like giving every square meter on the planet a unique address. GPS receivers have been miniaturized to just a few integrated circuits and so are becoming very Economical. And that makes the technology accessible to virtually everyone. These days GPS is finding its way into cars, boats,planes, construction equipment, movie making gear, farm machinery, even laptop computers .

What is mean by Wi-Fi?

Suppose that a businessman is attending conference. He has his laptop with him and at the same time he want some information from Internet too quickly &easily without worrying about finding a wired connection. Then what will be the solution ? For this the solution is Wi-Fi that is you can connect your PCs with the net wirelessly. Wi-Fi is the acronym for wireless fidelity.It is new advancement in WLAN (Wireless Local Area Networks) technology. It is discovered in 2002 .