Modems are devices that are used to convert digital signals into analog signals and vice versa. When you sign up for an Internet connection you are usually sent a modem in the package. Your modem is the key equipment in order to get an Internet connection. The very first models of this computer equipment you might have become familiar with are those that are wired. Nowadays you also have wireless modems as an option to get rid of the wires cluttering your home.
Defining Wireless Modems
Simply put, wireless modems allow you to connect to a network without using any cable. Instead of using the traditional telephone system, you’ll be surfing the net through wireless signals. With the help of a wireless modem you can connect directly to your internet service provider or to a wireless local area network.
One can also measure the speed of this connection and compare it to broadband and dialup connections. The basic advantage of this connection is that of mobility. With portable computers becoming commonplace, having a mobile internet connection becomes a must. You can’t expect to walk around a coffee shop with your portable computer, laptop, or netbook and have everyone on a leash due to the wires.
There are various interfaces available to you when you use this kind of Internet connection. You may have one attach to your PDA or notebook computer while others have one built in. You can buy ones that use PCMCIA, USB, compact flash, or even a serial port. There are also mobile phones that have the capacity to act as a wireless modem.
Supported Networks, Technologies, and Protocols
Modems of this type have been designed to work on certain supported technologies and networks. As you might expect, some of the supported technologies are also the same ones running your mobile phone’s internet connection. Mobile services such as GPRS and EDGE also support networking using this type of modem.
Other technologies that support wireless networking for computers include UMTS, WiMAX, WiBro, HSDPA, and iBurst. With this support for newer technologies, the outlook for this type of wireless Internet promises faster speeds than what we have at the moment.
What to Look for When Buying One
When you’re out to buy a wireless modem you ought to check and compare certain features among various brands. The first thing you’ll usually check would be its speed. Next you should check what protocols are supported, which may include WiFi, EVDO, GPRS, Ethernet, and others. You should also check its frequency band, radio technique, available channels, signal strength, and duplexing capabilities.