Posted January 6, 2011 by subzero in Daily News, Tablets 1511 BlackBerry PlayBook 4G available at Sprint this summer RIM’s portable BlackBerry PlayBook tablet features a 1 GHz dual-core processor, 1 GB of RAM, up to 64 GB internal storage (16, 32 and 64 GB models) and the new BlackBerry Tablet OS. It has measures of 130mm x 194mm x 10mm and boats... Read more Tags: 4G, 4G WiMAX network, BlackBerry 4G PlayBook, BlackBerry PlayBook, BlackBerry Tablet OS, RIM, WiMAX