Answer Easy! A GSM Phone uses a SIM card or else when you turn it on it will say "please insert SIM"
A CDMA has no sim card!.........
I have a CDMA phone and it has a SIM
In Short, no. A CDMA phone can not be converted to GSM. GSM Carriers require a SIM Card and CDMA phones do not have the ability to read them.
Okay the different for CDMA (es verizonwireless and sprint) and GSM (at&t) is that they work off of two different wavelengths. no, you can NOT put a GSM sim card into a CDMA phone because CDMA phones do not have places for sim cards. The only ones that do are Global phones, and for it to be a global phone it has to be able to work off of GSM and CDMA...
There is no such thing as a CDMA SIM card, since CDMA phones do not use SIM cards.
A Verizon cell phone is CDMA technology. AT&T is GSM technology. Plus each cell phone provider has their cell phones respond to their own towers by how the phones are flashed.
If your phone is unlocked and it is a GSM phone then you can swap your sim card to another provider. If you live in Europe then most phones are GSM but if you live in North America it's more complicated as there are GSM and CDMA phones. CDMA phones do not have sim cards as the information is integrated into the chip. If your phone is CDMA then the answer is no. AT&T are GSM and Verizon are CDMA if that helps. But remember GSM phones must still be unlocked.
All phones except CDMA (i.e. Verizon) phones use SIM cards.
Right now the best coverage to have with your cell phone carrier is GSM. This service is used much more than CDMA and will give you a larger range. It all depends on what exactly you are looking for.
A CDMA cell phone does many things. A CDMA cell phone, which stands for Code Division Multiple Access, can make an unlimited number of calls because there is no limit.
No, Sprint uses CDMA technology and AT&T uses GSM technology. Plus, the phones are flashed to each carriers cell towers.
Yes. The Iusacel company uses CDMA; the rest use GSM.
Code Division Multiple Access or CDMA cell phones utilize a technology that permits the use of several frequencies at the same moment to send and receive data and voice transmissions. CDMA is newer radio technology that is designed to compete with the older Global System for Mobile Communications (GSM) network. As a result, CDMA phones cannot use GSM cell towers. Another difference is that GSM phones use SIM cards while CDMA phones do not.
A CDMA repeater is a device that extends the signal range for cell phone providers that use the CDMA technology. CDMA (Code Division Multiple Access) is one of the technologies cell phone companies use for their phone service. More information on CDMA is available here: http://en.wikipedia.org/wiki/CDMA
Metro PCs is able to "flash" phones from other carriers for use with their service under certain conditions. The phones must be CDMA, meaning they do not use a SIM Card (Major CDMA carriers include Sprint, Verizon, Qwest, Cricket, Alltel). You will not be able to access all features of the service when using a flashed phone, these phones are good for calls and texting only. The phone does not be unlocked to be flashed.
There are two types of cell phone networks, GSM and CDMA. As long as the network you are trying to move your unlocked phone to is compatible then yes it will work. In most cases a GSM phone will not work on a CDMA network and vise versa, however, some careers (such as Verizon) have support signals for GSM phones. There is no support for CDMA phones on a GSM network at this time. So for overall versatility, GSM phones are better.
CDMA stands for Code Division Multiple Access, and it is a type of cell phone technology. It is the standard cell phone technology in the United States and is utilized by Sprint, Virgin Mobile and Verizon Wireless.
There is no SIM card in an LG VX5400. CDMA phones like the 5400 do not use SIM cards.
CDMA is a type of network that cell phone company's use. There are to meager types of networks that are used CDMA and GSM. Cell phone are usally made to work on one or the other network. The Iphone is GSM and Verizons Dare is CDMA but some phone can work on both like the new Blackberry storm.
CDMA is also known as code-division multiple access. It is used by almost all cell phone provider in the US. CDMA can be used to refer to 2G, 3G, and 4G communications offered by those cell phone providers.
The Rumor Touch is a CDMA cell phone which means it can only work for CDMA providers. This great phone can be retailed for about 199 dollars.
There are many ideas of future cell phones. Some ideas of future cell phones are 'Mobile Script Cell Phone Concept', 'Pen Cell Phone Concept', 'Grass Cell Phones' and many more.
The answer is yes, however this is not an easy task and you would probably be better off buying a GSM phone instead.
Cell phones chargers only match certain cell phones because it is a way for the cell phone company to make more money by forcing the customer to buy the corresponding phone charger.
It depends on what type of phone it is, GSM, or CDMA. You can tell the difference between the two, fairly easily: GSM phones take a SIM card, while CDMA do not : If it's a GSM phone, AT&T would be a provider, as would T-Mobile. If it's CDMA, Verizon would be your best bet!
Multiple access technology allows multiple cell phones to use one tower at once. The two major types of multiple access are CDMA and TDMA/GSM. CDMA technology allows multiple user by spreading signals over multiple frequencies. TDMA/GSM gives each phone different, microscopic time slots.
A provider of cell phones its a business that sells phones to people