|
Compare Cell phone Carriers
Cell phone careers means cell phone signals through which information will travell.Cell means a small part in geographical area.The total geographical area divided in to small cells.Cell carriers are generated by the cell towers which will receive the cell phones.Some times cell phones will show messages like "not in service area" means ,there is no carrier(signal) exist.Cell phone carriers will pass information from one cell tower to another tower.Cell carriers are Radio signals.The important thing of cellular system is the division os a city into small CELLS.This allows extensive Frequency reuse acorss a city.So that thousands and millions of people will can use cell phones at a time.
Cell phones use low-energy FM radio signal to transmit voice to another nearest antena connected with local phone network.Wireless technology uses individual radio frequencies by dividing services in to different geogrphic Zones.These Zonses are called "Cell".There are more cells in cities than rural areas because there are more cell phone users in city compare to rural areas.Each cell as its own receiver and transmitter like Mobile telephone switching office.
Suppose one user purched a very good camera with GSM facility but he didn't think more about cell service provider and has taken on year agreement with one cell carrier, but his living place don't havr that network cerrier signal,so he invested lot of money on purchasing Cellphone and taking service even though he is not satisfying with signal of his service provider.Signal or carrier also plays a big role in mobile industry.
When ever any customer takes cell service form carrier provider first he has to check whether carrier is good at his living place and working place.Carrie service provider also provide good signal to customers.When a service provider will provide good service to cell user he is having enough cell towers to pass signals.So
service provider has estalish more numberof cell towers.
Cell carrier also depends on the type of the Cellphone means CDMA or GSM phone.These two have different cahracteristics .In general GSM phones ahve better battery life than CDMA phones.In rural areas CDMA phones are giving good service.If we use GSM phones we can switch one
network to another network very easily,But in CDMA we cann't change one network to another network easily.We need to purchase if new cell phone in this case.
Back to main page : Compare Cell phone
|
QUICK LINKS
