It looks like you found the answer @littlegirl85rj, but will need to decide how important 4G is for your data needs.
@littlegirl85rj You can also make voice calls on Hangouts without a problem on 3G.
To be perfectly candid about my opinion: As of now, 4G is just that fancy little trinket that one doesn't really NEED (I can't think of a single application that won't work on 3G). In the future, as Voice over LTE is rolled out along with a host of other IMS-based services, 4G will become a lot more desirable than it is today.
Great to hear, thanks for writing in..
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