Search Criteria

Mobile networks and carriers in Japan use 5 UMTS bands, 9 LTE bands, and 2 CDMA bands. Find out if your unlocked phone or mobile device will work in Japan. See the tables below for details.

Will your phone or mobile device work in Japan?

Click the link below to find out.

Check device compatibility


Select a carrier to see frequency details
Name # of frequency bands in use
KDDI au 6
NTT Docomo 8
Softbank 7

Don't see the carrier you're looking for? Leave a comment below and we'll add it!

Frequencies in use


Name Interface
B1 (2100) UMTS
B8 (900 GSM) UMTS
B9 (1800 Japan) UMTS
B11 (1500 Lower) UMTS
B19 (800 Japan) UMTS


Name Interface
B1 (2100) LTE
B8 (900) LTE
B9 (1800) LTE
B11 1500 Lower LTE
B18 (800 Lower) LTE
B19 (800 Upper) LTE
B21 (1500 Upper) LTE
B28 (700 APT) LTE
B41 (TD 2500) LTE


Name Interface
BC0 (800) CDMA
BC6 (2 Ghz) CDMA