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theoretically there can be nine 1.25 MHz CDMA carries per cell.
No, Sprint uses CDMA technology and AT&T uses GSM technology. Plus, the phones are flashed to each carriers cell towers.
That depends.If you are switching between a GSM and CDMA network, it will not be possible.If you are switching from a GSM to another GSM carrier, or from a CDMA to another CDMA carrier, it will be possible.For your convenience, here are a list of some carriers and the technologies they use:GSMAT&TT-MobileFidoRogersCDMAVerizon WirelessAlltelSprint (not Nextel)U.S. CellularBell MobilityTelus
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. Okinawa has no GSM carriers, only CDMA.
Ting Wireless and Cricket wireless.
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
The two big CDMA carriers in the US are Verizon in first, followed by Sprint. NOTE: CDMA networks are only used in US, China, Japan, India, and few other Asian countries.
Yes. The Iusacel company uses CDMA; the rest use GSM.
You don't need to be jailbroken now that the iPhone supports most carriers. The iPhone 4 is physically unable to switch from GSM to CDMA carriers anway.
none verion uses cdma and rest use gsm tech.
There is no such thing as a CDMA SIM card, since CDMA phones do not use SIM cards.