Stay Connected Across Japan with a Reliable Prepaid SIM Card

No contracts, no complexity. Our Japan prepaid SIM card runs on Docomo's 4G/LTE network, covering 99% of the country with 50GB of data and no daily caps. Simply insert the card into your unlocked device and follow the setup guide — you'll be online in minutes, ready for wherever your trip takes you.

  • Large data plans
  • No activation / registration required
  • Free shipping anywhere in Japan
  • Great coverage with 4G(LTE)

Features

Stable data communication is possible throughout Japan!

There are no time restrictions, so you can use it with confidence.
* Cannot be used outside of Japan.

You can use a lot with the large capacity of 50GB!

Tethering is possible, so you can share communications with family and friends.
* After the capacity is exceeded, you can use the maximum communication speed of 200kbps.
* Capacity cannot be added.

Can be used with a capacity of 50GB (estimate)

In-app voice calls
(WhatsApp, Facebook Messenger)

Up to ~2,438 hours (approx. 21 MB/hr)

Video streaming

Up to ~45 hours (approx. 4 MB/min at standard definition)

Web browsing

Up to ~350,000 pages (approx. 150 KB/page)

Emails sent & received

Up to ~100,000 emails (approx. 500 KB/email)

* Based on internal estimates. Actual usage may vary depending on your device and network conditions.

What's included
What's included

Mult-cut SIM
SIM pin
Set-up Guide

Specifications

Network docomo 4G(LTE)
Daily Data Limit None
Network Coverage 99% of national population
Compatible frequency 4G/LTE (Band): 1/3(Tokyo, Nagoya and Osaka areas only)/19/21
SMS / Voice calls Not Supported
SIM Type / Size 3-in-1 Trio (Mini, Micro, and Nano)
Tethering Supported
Corresponding Device SIM free terminal

* Cannot be used outside of Japan.
* Communication capacity cannot be added.
* After the usage period ends, you will no longer be able to use it. The usage period cannot be extended.
* For data communication only. Voice calls and SMS cannot be used.

How to Setup

Frequently Asked Questions

How good is the coverage?

The SIM card has the best coverage among all of our products, covering 99% of national population, under Docomo network. All cities, towns, villages, and some rural areas are well covered. Some remote areas are still covered.

Are there any settings required to use the SIM card?

APN (access point name) setting is required to use our SIM card, but that's all.

Instructions are on the SIM packaging as well.

Is the SIM on 5G, 4G or 3G?

It is on 5G, 4G/LTE and 3G under NTT DOCOMO network. It connects to 3G where 5G and 4G/LTE are not available.

How do I know if my phone is unlocked?

It is not possible for us to tell. Please ask your carrier or the seller where you bought it from.

Can I make / receive phone calls?

No, our SIM is a data only SIM card and does not support voice call and SMS (same as almost all the prepaid SIM sold for visitors in Japan).
But you can make calls through VoIP apps such as Skype, WhatsApp, LINE, etc.

Trusted by travelers from over 90 countries.

Since 2011, we have served tens of thousands of customers from over 90 countries with our mobile broadband service. From the very beginning, we have put a lot of effort into providing not only the best products but also the best customer support. We constantly update and improve our website to provide a cutting-edge online shopping experience.

Mobile internet has become an essential service for travelers in this beautiful and mystic nation more than ever. We take pride in helping numerous travelers stay connected throughout their stay in Japan. We look forward to you being one of them!

Our online store ensures you that you get what suits your travel needs.

Better Prices

Ever found something cheaper at the airport? Online stores like us, with lower operating costs compared to physical shops, can offer you better deals!

No queues - Time-saver

Maximize your time in Japan. Avoid the hassle of carrying heavy luggage and waiting in lines to make on-site purchases at the airport. It's already chaotic enough there!

Easy Payments

There's no need to deal with cumbersome coins and bills, card swiping, or physical receipts. Our highly secured payment system accepts all major credit cards and debit cards.