A:AnswerWith this device you will use your mobile data, provided by your carrier or WiFi Hotspots or in home. The data plans you mentioned are for tablets and adapters for laptops.
A:AnswerIt doesn't say. the sprint version is cdma/gsm. but not all of them come unlocked so you can use the gsm. This is most likely locked to sprint. See sprints unlocking policy. It can be unlocked by sprint after a certain amount of time, then you can use its global gsm.
