Hi live in North Dakota USA and looking to buy gps tracker for my vision but i need help and advice from you guys what to buy. I think i will go with mini gps tracker rf-v16 or tk 102 ? I dont know witch one has better provider in services in North Dakota like , t Mobile ,Verizon ect ?? So please give me your opinion what you like and way (if you have one of those !! And please give me info what plan you have from your provider and how to purchase plane for tracker ? Thanks