Dear Thomas,

On 19 Jan, 2013, at 23:21, Thomas Dalton <[email protected]> wrote:

> On Jan 19, 2013 3:14 PM, "Shujen Chang" <[email protected]> wrote:
> >
> > There's no Wifi support on Chinese train, but I think I can share it via my 
> > 3G mobile phone.
> 
> What is the 3g coverage like? Presumably the train spends a lot of time going 
> through very rural areas - will you get a signal there?
> 
3G coverage in China is fairly decent I think - if you can have pictures from 
things like gridlocks on motorways to riots in towns on Weibo or other online 
forums fairly quickly then you can see that the mobile coverage is extensive. 
The triopoly of Chinese mobile telecom have worked very hard to blanket the 
country with 3G signals after their 2G is mostly done. China Mobile is the 
largest of the three but their 3G is of a national TD-SCDMA which isn't 
compatible to most 3G phones. However, you can get EDGE almost everywhere you 
get a China Mobile signal. China Unicom with its WCDMA standard might be 
concentrated more in urban areas but it's still extensive. China Telecom with 
its EVDO1x standard is suitable for Americans with their Verizon and Sprint 
phones.

OTOH, I think Russia is less likely to have any phone signal blanketing the 
Trans-Siberian as it's a much larger country with a lower population density 
than China. And Mongolia too. You might consider bringing a satellite modem, 
which would also come handy if you want to break through the Great Fire Wall in 
China.

Best regards,
Alan

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