Talk:China/@comment-91.152.194.62-20171219202742/@comment-185.171.178.214-20171220123522

On AirBalticCard I can see the next info:

"

2G

2G or GSM type of network is the standard for most types of phones (with the exception of CDMA format, which is widely used in USA). Majority of phones support four frequencies: 850MHz, 900MHz, 1800MHz and 1900MHz.

2G operators in China • China Mobile • China Unicaom • China Telecom

3G

There are several networks in China operating in 3G format. 3G frequencies are usually marked as UMTS/HSDPA or WCDMA.

3G operators in China • China Mobile • China Unicaom • China Telecom

"

So looks like any 3G enabled operator can be used.