Thank you so much Sz and aerospace for your helpful answers. I could check out when is the best time to go on the Internet use the ship's wifi and I do not mind getting up at 4 am. The use of 3G is really an eye opener for me. Believe it or not, but I do not have a smartphone so a Mifi would be a very interesting option. I have been looking around and would you recommend to use of a 3G antennna/amplifier/repeater (I have no idea what the difference is, since they all seem to amplify the 3G signal and are used in areas with a weak signal)?
@ sz: I was looking into Mifis and saw two interesting options: the Global Surfer III+ (see http://www.zero2sixty.ch/email-weath...ea-using-3G-4g
) (advantage: strong signal at sea) and Mifi 2372 (unlocked AT&T Novatel, $70 at amazon, and it claims you can use it worldwide because it covers all the frequencies) - what do you think?