Marvell made waves last year with its 802.11ac wireless chips, but the company's looking to make a splash in 2013 with a new quad-core ARM Cortex-A7 SoC. Called the PXA1088, the new silicon's calling card -- other than those four CPU cores -- is its ability to beam 3G data to mobile devices anywhere in the world thanks to auto-roaming and compatibility with 21Mbps HSPA+, TD-HSPA+, EDGE, and WCDMA networks. In addition to t
