| Which Technology is Better: GSM or CDMA? |
|
|
$ Check REAL-TIME pricing for OtterBox Otter Box 1938-20.5 Black Impact Case For BlackBerry Bold - Retail $ |
|
|
|
|
|
| Glossary |
AMPS: stands for Advanced Mobile Phone Service. Analog cell system.
TDMA: stands for Time Division Multiple Access. It works by dividing the spectrum into frequency channels and each user uses each channel for a specific time, to avoid interference.
CDMA 1XRTT: Second generation technology (2.5G, actually) which allows data transfers up to 144 Kbps.
EDGE: stands for Enhanced Data Rates for Global Evolution. Technology promoted by GSM operators. Before migrating to WCDMA, EDGE will allow third generation data and voice access with 384 kbps transfer rate.
EV-DO: Third generation (3G) from CDMA 1xEV-DO technology. "EV" comes from and "DO" from data-only. It uses a second channel, of 1.25 MHz, exclusively for data transmission. Some countries are already running this standard. In the USA, Verizon and Sprint started this technology in 2004. This tecnology allows hi-speed Internet access (2.4 Mbps) using the cell phone or using a wireless connection from a laptop or PDA.
EV-DV: Evolution of EV-DO, but still under development. "DV" comes from data-and-voice. It uses the same channel for trasmiting data and voice. The transfer rate can reach 5.2 Mbps.
WCDMA: Wideband CDMA. Third generation technology that will be adopted by GSM operators. Its European version is known as UMTS (Universal Mobile Telecommunications System). It can reach transfer rates up to 2 Mbps. |
| Pages (2): « 1 [2] |
| Print Version | Send to Friend |
|
Bookmark Article
| Comments (0)
|
|
Recommended Deal |
 | Kingston Technology Company SNV125-S2BN/64GB compare SSDNow V Series Solid State Drive best price on discount
|
|
 Latest News |
November 24, 2009 - 12:39 PM PST |
November 23, 2009 - 9:18 AM PST |
November 20, 2009 - 12:37 PM PST |
November 19, 2009 - 7:30 AM PST |
November 18, 2009 - 11:30 AM PST |
November 18, 2009 - 10:18 AM PST |
November 17, 2009 - 1:39 PM PST |
November 17, 2009 - 1:06 PM PST |
November 17, 2009 - 10:18 AM PST |
November 16, 2009 - 11:46 AM PST |
| .:: More News ::. |
|
| Latest Content |
|
|
| Our Most Popular Articles |
1,080,182 views
|
709,239 views
|
681,173 views
|
595,596 views
|
564,077 views
|
561,827 views
|
488,563 views
|
477,640 views
|
395,883 views
|
339,094 views
|
|
| Latest Threads in Our Forums |
by Hardware Secrets Team |
by Hardware Secrets Team |
by Hardware Secrets Team |
by Hardware Secrets Team |
by Hardware Secrets Team |
by Merman |
by Olle P |
by Olle P |
by Desert Fox |
by rektech |
| .:: Visit Our Forums ::. |
|
|
