SoftBank 4G and 5G mobile coverage map
Check the SoftBank network before you sign up. Sogudo calculates 4G and 5G mobile signal propagation from the available antenna data, for every address on the map. Enter yours to see the expected signal.
Test the SoftBank network at your address
- Interactive mobile network map
- 2M+ tests a year
- Multi-operator 4G and 5G
SoftBank compared with docomo, au
Discover our comparison of mobile networks in Japan. Compare the SoftBank coverage map with docomo, au at the same address to see who delivers the strongest signal where you are.
Frequently asked questions about SoftBank coverage
Does SoftBank have good coverage in Japan?
Coverage changes from one street to the next, so the answer depends on where you are. Search your own address on the map above to see the SoftBank signal there.
Does SoftBank offer 5G in Japan?
No. Our data shows no 5G network for SoftBank in Japan.
Is the SoftBank map up to date?
The map is built from antenna data dated , and the SoftBank network facts were last verified on . Sogudo does not resell SoftBank data. Coverage accounts for each antenna's sectors, the terrain between you and the antenna, and the density of the built environment around it.
Is Sogudo affiliated with SoftBank?
No. Sogudo is independent and computes coverage from public antenna data.