SIMfi

Ever wondered if your SIM card can emit a Wi-Fi signal? Sagem and Telefonica, a smart card manufacturer, which announced that it has integrated Wi-Fi capabilities into a SIM card

So a SIM card can share the Internet connection to 3G notebooks or other devices nearby. this device called SIMfi

SIM card can be inserted into the regular phone and will take action should a wireless router. Now do not need a sophisticated phone and complicated settings to be able to share the Internet connection via Wi-Fi.