It has not been clearly specified which data rates the 3G
connection has to provide, but it has to be at least 200 kb/s.
However, most of the providers at least offer 384 kb/s and many
providers advertise with 2 mb/s.
Radio Service offers speeds up to 114 Kbps. Enhanced Data Rates
up to 384 Kbps. downlink speeds up to 1.92 Mbps. Terrestrial Radio
Access is 100 Mbps.
What is a 3G signal?
3G is a Free Wireless Signal ("Network"),
sometimes when 3G is good,
it also holds GPS signal.
3G is fast but not as fast as Wi-Fi signal,
when you're driving,
3G is very bad (and holds even less then 1 GB!),
when you're not driving,
3G holds around 12 GB.
3.5G is faster than 3G. It is actually means HSDPA-High Speed
Downlink Packet Access. cURRENTLY IT IS NOW SUPPORTING 1.8 mb/s or
3.5 mb/s in downlink speed. Its data bearing achieved the speed of
384 kbps while the previous was 128 kbps. 3.75G is still in
progress which will support upto 14.4 mb/s. with 3.5G you can
download contents bit faster than a 3G.