Instead of getting a prepaid SIM chip, I'm thinking of renting a mobile wifi hotspot. I've found these two so far. Two questions: Are these reliable? I will be mostly in the big cities. If I'm not ...
Do the Shinkansen trains have wifi? How about electrical plugs? If it depends on the train, these are the ones I'll be taking: Hikari 546 (Hiroshima->Shin-Kobe) Hikari 470 (Shin-Kobe->Tokyo) Max ...