WiFi Internet Free WiFi Internet Hotspots for Phone PDA and Laptop
WiFi Internet is a type of internet access which allows a laptop computer, cell phone, WiFi phone, PDA, or other portable device to connect to a wireless internet service provider. WiFi wireless technology is actually used in two distinct ways. First, Wifi is commonly used to network WiFi capable devices such as a wireless modem and multiple laptop computers. Second, wireless WiFi modems are used as internet access points or Hotspots for free or fee based internet services.
WiFi Wireless Network
WiFi is the most common method of networking wireless computers, smart phones, printers and related WiFi capable devices at home so that they can access and share information. A DSL or Cable modem with wireless capabilities, for example, may be all that you need to connect your devices on a wireless home network. The wireless home network point of access is the wireless modem, which can act as a router allowing each device to connect through it to each other. Printer sharing and file sharing can be accomplished through the use of a single wireless WiFi modem. Below are other devices that can access and share information together if they are WiFi capable.
The name Wi-Fi originates from a trademark of the Wi-Fi Alliance. Wi-Fi Alliance is the organization responsible for certifying standards compliant products. To know if your wireless devices at home are in fact compliant, simply look for the Wi-Fi logo on the box. Not all products are certified and carry the logo. Most products will however state that they comply with one or more of the IEEE 802.11 standards, the most common of which are 802.11a, 802.11b, 802.11g, and 802.11n.
WiFi Internet Access & Hotspots
WiFi internet has in some ways been the technology driver for free internet access. Coffee shops, book stores, airports, hotels, restaurants and like minded businesses offer free wireless internet access to their customers. Without the use of a WiFi wireless modem and the wide spread support of WiFi in laptop computer operating systems, these businesses more than likely could not offer free internet services. The WiFi in this case is still networking multiple computers to a wireless modem. The modem in turn is allowing multiple users to access the internet under one business or personal user account.
Once free hotspots have recently began charging a fee or monthly subscription for internet access. Now major cities and some smaller municipalities are establishing metropolitan wide WiFi networks, often called Wireless Mesh Networks. In a metropolitan mesh network, the local government or private company partner mounts WiFi antennas on roof tops through out the city, which creates overlapping wireless coverage over large distances. Inside the home WiFi radio signals can reach between 150 to 300 ft. More powerful WiFi antennas can reach further, however, the need to reach longer distances is the driving force behind the next generation WiMax wireless internet.