does 3G have better/stronger signal strength?

umm for the phone section id say no (not 100% but i dont think so)

And its faster for the net on the go!

Im sure a lot of people know more than me tho

Same power, more redundency. So you can get the same call quality will lower connection.

TEG

My old 3g phone got much better service in my house than my iPhone does. I don't know whether that's a result of it being 3g or if its just the way the phone was constructed.

shecky said:

does 3G use different towers or just different antennas/dishes/whatever on the same towers that are already there?

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3G uses completely different equipment, which may or may not be mounted on the same towers. At least, if 3G = UMTS. EDGE (which is also a 3G technology) is just an update to GSM, so it uses the same towers. CDMA2000/EV-DO … I have no idea.

I usually have better signal strength with my new UMTS phone. However, I don't know whether that is due to a different location of cell towers, a better phone design (however, both my old GSM and my new UMTS phone were made by Nokia) or really a feature of UMTS.