Quote:
Originally Posted by matt314159
I understand the point you're getting at, but as I understood things, 1xRtt and EDGE were considered 2.5G by most people, whereas EVDO and HSPA were considered the 3g, and now the wimax and LTE are being considered "4G"
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The *G naming is just a mess as each generation of wireless standards encompasses a wide range of technologies and standards. Its become a marketing term but a very confusing one because 3G can be so many different standards with differing levels of speed.
1xRTT is officially a 3G standard as its part of the CDMA2000 standard which is listed as a 3rd generation standard in the ITU IMT-2000 standard. EDGE is also listed as a 3rd generation standard in IMT-2000.
Manufacturers and individual standards started to differentiate their specific standards by adding fractional G branding labels like 3.5G which aren't part of the official ITU standards. So far we've got 1G, 2G, 2.5G, 2.75G, 3G, 3.5G, 3.75G, 3.9G and now 4G...
The ITU is International Telecommunication Union which is a international standards organisation which handles all of these communications standards such as cell phone technology.