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Bay Area GSM Useless? CDMA better?


Dec 10, 2003, 11:30 AM

Are the dead spots in downtown Mountain View on GSM or TDMA?
I live in Palo Alto, but I'm pretty much traveling back-and-forth between Palo A., Mountain V., Menlo P. and Los Altos.

I used to have TDMA up until 2 years ago and it was pretty much awesome. Then I went to Verizon to get the V60c which was also flawless except for one big, solid black hole in downtown Los Altos, so last year I returned to AT&T, but decided to try out their GSM network instead, and I have to say that I'm pretty dissapointed. I've been thinking about going back to TDMA even if their phones are....bland. However, I've heard some people mention lately that even their TDMA net isn't up to what it used to be. (The reasons being anywhere from ATT not maintai...

Dec 12, 2003, 9:04 PM
CDMA much better. GSm is just a version of TDMA. Plus, GSM will only offer EDGE as their high-speed platform, while CMDA will allow broadband access. In 2-3 years, mosy GSM will need to convert to CDMA2000 or beyond.

Dec 12, 2003, 11:34 PM
CDMA (Code Division Multiple Access) is more efficient then TDMA (Time Division Multiple Access) for the company, customers see very little difference.
CDMA is much more flexible in the long run for the company, allowing quicker speeds for data, etc.
GSM (Global Standards for Mobile Communications) is a distant variant of TDMA, but is completely different, and much more efficient then TDMA or even CDMA.
NONE of the above information will mean you will get better reception someplace, only that you might get a tad better voice quality, with TDMA giving the least quality, GSM the best.
CDMA2000 is a few years away, still. Don't bother even worrying about that, it won't effect you as the consumer for many years, but what he says is true.. CD...

Dec 12, 2003, 11:38 PM
Btw, forgot to mention EDGE. EDGE is faster data then GSM's basic GPRS service, even faster then CDMA's 1xRTT. Its slower, though, then CDMA's upgrade 1xEV-DO which Verizon has made plans to roll out in 2004. If you want fast data, wait for 1xEV-DO which is 200-300kbps average, I belive, compared to EDGE's 100kbps averag, 1xRTT's 60-90kbps, and GRPS's 30-60kbps. Smile

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