Image just for reference.
WWAN (3G) cards allow your S10-3T to get internet through "cell phone" services. Most S10-3Ts do not include these cards, but you can add them.
Lenovo Tech Support recommended these 3G modem (Jun 14, 2010):
- Ericsson F3607gw: 0BDB_1905, 0BDB_1907
- Huawei EM770/770U/770W: 12D1_1003, 12D1_1001, 12D1_1404
- Qualcomm GOBI: 05C6_9204, 05C6_9205
- Huawei EM660: 12D1_1001 12D1_1404
This info comes from Lenovo's forum:
3G Modems for S10-3t are a messy affair
You will also need a SIM card. The slot for the SIM card is located in the battery compartment.
Download compatible drivers at:
Lenovo - IdeaPad S10-3T Drivers Page
Guide for unsupported 3G cards:
Netbooks.ph - Adding 3G