Yes, you can use PS VITA.
You need to set APN.
To set APN, please refer to the PS VITA manual.
The values are as following:
|Authentication type||PAP or CHAP|
1. APN values must be entered in small letters ( in 3 sections)
2. The Authentication type is set to “PAP or CHAP”. If it is not available, please try each auth type (CHAP only and PAP only).
3. Please reset the device after setting the APN.