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I have a sim card slot in my ThinkPad x120e. Can I use this to connect to the internet? Do I have to install any hardware to make this work? There is a free expansion slot on the motherboard, too, so what use can I put this into?

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I am not using ThinkPad as of now but out of my interest I just tried googling it out.

Lenovo has made the TPT’s 3G ready by including the Sim Card reader and 3G antenna and spot for the PCI-e WWAN modem. The thing which is lacking here is the actual 3G modem itself.You can however use Gobi 3000 WWAN PCI-e modem card and get it working.

Go through this and this.You may found them useful .

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