sadiatec
Mobile SIM
Standalone data SIM card for any SIM-free device. Nationwide LTE/3G coverage, SmartPit recharge system, and easy application process.
How Does it Work?
The Data SIM is a standalone SIM Card that can be used in any unlocked / SIM-Free device that utilizes mobile networks, to enjoy internet services over a certain area. Its network speed and signal availability depend on the user's current location. In an area with strong signal strength, the network switches to LTE mode. Conversely, in areas of weaker signal strength, it will operate on 3G or 2G networks. Currently, the coverage area extends to all of Japan. Apart from mobile phones, this SIM can also be used in Tablet PCs and certain portable gaming devices (e.g. Play Station Vita).
SmartPit Card System
Your data SIM comes paired with a free Sadiatec SmartPit card. The SmartPit payment system (NTT Ltd) allows you to recharge your card balance 24 hours a day at partner service providers. To keep your service active, recharge the card by the 20th of each month.
Partner Convenience Stores
Recharge your SmartPit card at major convenience stores nationwide: Lawson, FamilyMart, and Ministop. All partner stores operate 24 hours a day, giving you complete flexibility to top up whenever you need it.
Payment & Activation
All payments by bank transfer to: Japan Post Bank (Yucho Ginko), Account Number: 10030-43209071, Recipient: Sadiatec Co., Ltd.
After receiving all required documents and payment, we proceed with all necessary steps and notify you by email (or phone if required) at every stage of the process.
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