With a faster processor and 3G, this device is a great upgrade if you are coming from the 8520.

 

 

 

 

 

Display: 320×240

 

Dimensions: 60mmx13.9mmx109mm

 

Weight: 104g

 

Camera: 2MP

 

Memory: 2GB memory card expandable up to 32GB

 

RAM: 256mb

 

Network: GSM/GPRS/EDGE/HSDPA

 

Built in GPS, wifi (b/g/n), OS5, 624MHZ processor and keyboard.

 

More details:

 

http://www.gsmarena.com/blackberry_curve_3g_9300-3422.php