Research In Motion is reportedly working on two new BlackBerry PlayBook tablets that are currently scheduled for release in 2012. BlackBerry watcher N4BB claims that while RIM had initially scrapped plans to produce a larger PlayBook tablet, the vendor now plans to release both a 10-inch and a new 7-inch tablet this year. RIM’s new 7-inch model will feature embedded 3G connectivity when it launches in April according to the report, and the 10-inch BlackBerry tablet will reportedly include support for 4G LTE networks when it launches in December. The site also reiterates that RIM currently only has one BlackBerry 10 smartphone slated for 2012, which BGR exclusively reported earlier this month, and it states that at least two more low-end BlackBerry Curve models will launch this year as well.