A:AnswerI have the 7730L. It understand the buffering issues have to do with prime time use. I live on the East Coast USA with high population. I only experience a slow down during peak hours 6-9 pm weekdays.
A:AnswerYes. I used up all my 15 gigabytes yesterday just doing an upgrade on my MacBook Pro and my TurboTax program. Now I have to wait until March for my speed to pick up again.
A:AnswerIf you activate it on a new line then the KB count starts at 0. If you replace your current hotspot and keep the same line then the tally of KBs will not reset.
A:AnswerNo.
But, when you purchase the jetpack/hotspot it is assigned a cellular number of its own. As long as you get cellular reception you will be able to use it. Battery life is great on this jetpack.
Verizon offers "roaming" to international countries at a very reasonable price.
I used in Italy recently and it worked great.
Also, most cell phones now have the option to work as "hotspots" and support multiple devices. This may be an option for you,but make sure you have a charger with you as this option will drain battery quicker.