Since you're tech-savvy you probably don't need help choosing the tablet ?
As far as mobile access abroad goes, i would rely on free wireless access points in hotels, bars etc.
Probably not a very helpful answer !
All the best,
OnePlus 5 review
Alice Saey's mesmerising animation for Dutch singer Mark Lotterman
iPad Pro 10.5in (2017) review
Comment booster votre iPhone ?