BlackBerry 4G PlayBook tablets featuring support for LTE and HSPA+ announced

Research In Motion (RIM) has announced plans to launch two additional BlackBerry 4G PlayBook tablets during the second half of 2011, featuring support for LTE and HSPA+ high speed wide area wireless networks.

RIM has now announced plans to offer four BlackBerry PlayBook tablets:
1. BlackBerry PlayBook with Wi-Fi
2. BlackBerry 4G PlayBook with Wi-Fi + WiMax
3. BlackBerry 4G PlayBook with Wi-Fi + LTE
4. BlackBerry 4G PlayBook with Wi-Fi + HSPA+

In addition to the Wi-Fi and 4G connectivity, each tablet can also support Bluetooth tethering, Mobile hotspots (ie. a MiFi, smartphone or other portable device equipped to act as a mobile Wi-Fi hotspot), and BlackBerry Bridge.