3gcdma
3G CDMA Technology is most efficient technology for mobile phone at this time.
CDMA (Code Division Multiple Access) 2000 is approved by 3GPP2 Organization. CDMA200 hybrid with IS-95 B provides an unlimited access to IMT-200 Band as well as CDMA 200 1x and ideal conditions for the highest data transfer. The CDMA 2000 1x evolves into CDMA 200 1x EV. This CDMA 200 1x EV IS put into service in two different forms.

  • Cdma 2000 1x EV-DO-    1X Evolution data only able to use 1.25 MHz.
  • Cdma 2000 1x EV-DV-     1x Evolution Data and Voice also use 1.25 MHz.

All these versions are supposed the highest speed for greater efficiency of the mobile phones.

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