Nextel Rolls Out Push-To-Talk BlackBerry

Besides PTT and voice calling over Nextel's network, The BlackBerry 7520 also supports Bluetooth, according to the company. As with previous BlackBerry devices, the 7520 supports always-on e-mail. The company said the device also has improved attachment capabilities with the ability to view and store a variety of image types.

The device is available now but Nextel provided no pricing information.