Vodafone's 7-inch Smart Tab II made a surprise appearance at IFA last month with its 10-inch sibling also in tow, and now it's stopped off at the FCC to pick up its Visa for future trips to the US. The official documents for the chunky, carrier-branded slate aren't giving much away, except that it's got the expected mix of 3G, WiFi and Bluetooth. Most of the specs remain a mystery, but the FCC ID (O57A2107VDF3G) indicates it's Lenovo's
