Please kindly be advised that the Galaxy Tab 3 10.1 4G + Wifi allows the user to make use of internet connection via mobile data when not connected to Wifi.
Please note you are unable to make voice calls using the tablet as you would with a mobile phone, however you can make voice calls via the use of a third party application such as Skype which can be downloaded from the Google Play Store.
You can visit the Google Play Store and search for apps by visiting the following link:http://play.google.com/store
Please also be advised that as samsung do not currently sell products directly to the public we are unable to provide you with a price for this model. You will need to contact an electronics retailer for further information.