| There are many companies providing telephone | | | | also provides cell phones on a nationwide network. It |
| services in the United States. Some of the cell phone | | | | uses GSM technology.Cingular cell phones being GSM, |
| service providers are Verizon, Sprint, Nextel, Cingular | | | | they are not designed for analog roaming in rural areas |
| and T-mobile. They use both CDMA and GSM | | | | so service may sometimes be limited to urban |
| technology in their cell phones offering services in | | | | areas.T-Mobile cell phones work on the world standard |
| urban and rural areas across the country.Verizon, the | | | | GSM/GPRS technology. Coverage is mainly limited to |
| largest cell phone operator in the United States, uses | | | | urban areas. T-Mobile used to be called Voicestream |
| the CDMA technology in its cell phones. It offers digital | | | | but was bought by German company T-Mobile.You |
| service in high density population areas and analog | | | | can get handsets of your choice from any brand to |
| service in rural areas of the country.Sprint also offers | | | | get services from these operators. Handsets makers |
| cell phone services on a nationwide CDMA network. It | | | | Palm, Motorola, Samsung, Sprint and LG Electronics |
| offers digital service in high density population areas as | | | | are selling cell phones with all these latest features in |
| well as analog service in rural areas across the | | | | the US market. Motorola, maker of the Razr and other |
| country.Nextel offers phones specialized in push-to-talk | | | | popular handsets, is one the top brands. |
| technology and works on a nationwide network. Its | | | | Manu Goel site the portal which helps in filling-out the |
| iDEN cell phones, manufactured by Motorola, let users | | | | application forms for US green cards and helps in |
| operate their phones as long distance two-paging | | | | ensuring that the forms are complete in all respects, to |
| devices. Thus, not only can they make calls, but they | | | | know more about other information if you are planning |
| can also talk to each other instantly by pushing a | | | | to visit the US or if you are thinking of applying for a |
| button, just like with two-way radios. The Nextel cell | | | | US visa or a for a fianc?/e visa. |
| phones do not include analog roaming facilities.Cingular | | | | |