This article is written by a Japanese local.
Right after a foreign employee arrives in Japan and successfully moves into an apartment, they often discover an extremely stressful problem: “There is no internet (Wi-Fi) at home, and I have to wait over a month for it to be connected.”
In many countries, it is common to have internet access on the same day simply by plugging in a modem. However, Japan’s fiber-optic infrastructure involves physical “installation work” (pulling cables into the room), which requires a highly analog and time-consuming procedure. To avoid a blank period in communications—the foundation of modern life for remote work and contacting family—this article explains the objective defense procedures HR managers should announce in advance.
1. The Fatal Time Lag of Fiber Optic Installation
[Summary] In Japan, it typically takes 2 to 4 weeks from application to fiber optic installation. Situations where the internet is unusable on move-in day occur frequently.
The fastest and most stable internet environment in Japan is “Fiber Optic (Hikari Kaisen).” However, when contracting a new fiber-optic line, physical “opening construction” is required to pull the fiber-optic cable from the utility pole into the room.
This construction requires the “presence (Tachiai)” of both the worker and the resident. It is not uncommon to wait “2 to 4 weeks” from application to booking the construction date, or even “1 to 2 months” during moving seasons (March-April, September-October). A reactive approach of looking for an ISP after moving in will lead to the worst-case scenario of “having no home internet at all” for weeks.
2. “Three Alternative Approaches” to Secure Internet from Day One
[Summary] Fill the gap using construction-free home routers, selecting internet-included properties, or short-term pocket Wi-Fi rentals.
To prevent communication gaps, HR managers must incorporate one of the following three approaches right from the housing arrangement phase.
- Approach 1: Contract a construction-free “Home Router”
Select a home router (like Docomo home 5G, WiMAX, or SoftBank Air) that provides Wi-Fi the same day just by plugging it into an outlet. While slightly slower than fiber optic as it uses mobile networks, there is no weeks-long wait; your home becomes a Wi-Fi zone the day you receive the device. - Approach 2: Rent a property with “Free Internet Included”
Set “Free Internet Included (無料Wi-Fi完備)” as an absolute condition when searching for rental apartments. These buildings already have lines wired throughout, so you can use the internet instantly on move-in day just by plugging a Wi-Fi router into the wall’s LAN port. - Approach 3: Rent a short-term “Pocket Wi-Fi” until the construction date
If fiber-optic speeds are absolutely necessary and you must wait for construction, bridge the 1-month gap by renting a pocket Wi-Fi at the airport or online as a temporary communication measure.
3. Practical Q&A (Troubleshooting for HR Managers)
[Summary] Answers practical questions regarding address restrictions on home routers and cancellation penalty fees.
Q. Can I take my plug-and-play “Home Router” to the office to use?
A. This is absolutely impossible. Under the telecom company’s system, Japanese home router contracts are tied to the “GPS/base station data of the registered address (home).” If you plug it into an outlet at a non-registered location (like an office or cafe), the communication will be forcibly suspended immediately as a terms-of-service violation.
Q. Are there costs involved when canceling home internet upon returning to my home country?
A. For fiber optics, you may be billed for the remaining balance of the construction fee installments (approx. 20,000-40,000 JPY) or a removal fee. For home routers, any remaining installment balance for the device itself (approx. 40,000-70,000 JPY) will be billed as a lump sum. For expats expected to return within a few years, it is financially safer to choose providers that “rent” rather than “sell” the devices, or to select an internet-included property from the start.
Conclusion: Settle the Communication Environment During the “Housing Selection” Phase
Due to the physical barrier of construction, Japan’s internet setup situation is not something where “paying money gets it connected tomorrow.” Rather than having foreign employees compare telecom companies after they arrive in Japan, practicing front-loading by arranging “infrastructure with no wait time” concurrently with the housing contract is the key to successfully establishing their lives.