Now carrying a tablet PC such as an iPad and/or a smart phone has become a normal style of travelling abroad. But, 3G Internet connection abroad is expensive and there are few free Wi-Fi spots in Japan. Most Wi-Fi services need registration or mail certification through a screen in Japanese and/or fees.
Perfectly free Wi-Fi service without any registration nor fee is now available in/near the Tourist Information Center in front of the Hotaka Station which is a gateway to the Wasabi Farm and other major sightseeing spots.
(Hotaka Station)
There are also some free Wi-Fi spots in Matsumoto.
Some of the cell phone companies that offer prepaid plans include
T-Mobile, Verizon Wireless, Tracfone and Virgin Mobile.
Some Bluetooth devices require special four-digit pass codes before pairing with your iPad.
Even you can also crosscheck the testimonials of
the clients for getting best reliable on that company.