Ape Series – AT&T

Tiger Series – T-Mobile
February 22, 2018
Show all

アメリカで最も利用されているプリペイドカード アメリカ現地の通話料計算方式 送料無料

About AT&T

AT&T is the largest provider of mobile telephone services in the United States. It also has the largest internet coverage. Enjoy high-speed data without interruption in any big cities.


Plans:  Unlimited 7 Days, Unlimited 15 Days, Unlimited 30 Days

Introduction to Frequencies

  • 4G LTE Frequencies: Your device should support 1700/2100 MHz AWS (Band 4)/ 700 MHz (Band 17) / 1900 MHz (Band 2)/ 850 MHz  (Band 5).
  • 3G Frequencies: Your device must support WCDMA/HDPA+ 850 and 1900.
  • If your device does not support 4G LTE, it will only be able to connect 2G(EDGE) data speeds in some areas.

Activation Notice

  • Please fill out the form on MOST SIM activation website at least 3 days before your appointed activation date.  
  • Please check the coverage of your destinations before purchasing.
  • Your device should support 3G or 4G LTE in the United States.
  • Your device should not be locked with a former American telecom.



Find the best prepaid plan for you.
AT&T T-Mobile
Technical Requirements 4G: Band 2, 4, 5, 17, 30
3G: Band 2, 5
4G: Band 2, 4, 12
Coverage Wide coverage, even in Alaska. Better signal in big cities.

It is suitable for travellers who plan to:
1. Have road trips by car. The coverage of AT&T is wider, so you could enjoy your trip without interruption.
Visit national parks (except Grand Canyon National Park).

It is suitable for travellers who plan to:
Only visit big cities in US because it is cheaper.
2. Go to Grand Canyon National Park.

Please check AT&T or T-Mobile coverage upon and check the coverage of your travel destinations before purchasing.