We do not even build 4GL network. China's 5GL network is being tested
today. The mobile technology is among the leading edge unless you live
in the cave for the last 5 years.
It was not economically feasible to lay out the old copper (or even fiber network), so mobile was the only way to go.
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In
my Oct-Nov trip to China/Hong Kong, I rode the high speed rail for the
first time. It took about 3 hours from Shenzhen to Zhuhai (S. China to
E. China). The train was very comfortable and we had a good lunch in the
train.
Missed the ocean bridge that it is supposed to open this month. It will be the longest bridge in the world.
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