| What is a modem? Modem is an electronic device | | | | for your mobile, or maybe you'd like to at a later |
| which turns the digital signals of a computer into | | | | time improve your wireless network from 802.11g |
| particular frequencies to travel over telephone or | | | | to 802.11n? |
| cable TV connections. At where it's landing, the | | | | There are lots of types of modems currently |
| data will be received by another modem that is | | | | available for the market's varied networking |
| responsible in demodulating the frequencies to turn | | | | needs. Modems could be first classified by the |
| it back into digital data. Any computer uses | | | | type of program they support, and then other |
| modems to be able to connect with one another | | | | factors follow, like if the modem is going to be |
| within a network. | | | | internal or external and what attributes it |
| The modem seems to have significantly changed | | | | facilitates. Despite the plethora of modems |
| since the seventies that's when the 300 baud | | | | available today, coming up to a decision won't be |
| modem was used to connect computers to BBSs | | | | that hard. |
| (bulletin board systems). Using the type of | | | | Setting up an office or home network with |
| modem each bit, digitally displayed by a 1 or, has | | | | external modems. Modems are designed to |
| been sent as a specific tone. The receiving | | | | conform to standard protocols that govern the |
| modem answered with the frequencies dedicated | | | | type of networking services the unit facilitates. To |
| to it so both modems can "talk at the same | | | | put it briefly, in case you have a Digital Subscriber |
| time." Asynchronous is the technological term | | | | Line (DSL) service, you will need a DSL modem. |
| used for this sort of modem. | | | | Cable Internet subscribers need a cable modem, |
| Whilst many cable and DSL providers may give | | | | and those fiber optic subscribers therefore needs |
| it's customers a modem with Internet service, | | | | a fiber optic modem. In some instances a modem |
| the subscriber could also decide to provide his or | | | | will be built to support multiple type of access, |
| her own modem. Normally the provider has a list | | | | DSL and cable for instance. |
| of compatible modems available, however these | | | | Using cellular broadband services. If you would like |
| lists are rarely exhaustive. Online manuals for | | | | to have a mobile cellular Internet, the very first |
| modems and also technical specification and | | | | task is choosing a carrier. Cellular modems are |
| features may also have a list which Internet | | | | branded for each carrier and can't be used to |
| Service Providers the modem works with. | | | | another carrier. This would make shopping for a |
| What should you consider in buying a modem? To | | | | cellular modem pretty easy, as the carrier |
| choose the best modem, the initial step is to | | | | provides a range of devices compatible to the |
| determine your needs. Are you going to set up a | | | | modem. Cellular broadband technology is speedily |
| home network to share an Internet account | | | | changing and improving, creating new standards |
| among your desktop computer and laptops? | | | | and protocols to compete for the huge cellular |
| Perhaps you are in search of cellular broadband | | | | communications sector. |