... 800, 450 or 1,900MHz CDMA Frequency, Two-way SMS, Voice Mail and Caller ID... Country ... number segment RUIM card locked function Privilege setting for international, domestic and local calls Automatic identification ... network searching, quick response for dialing numbers, no radiation for human Equipped battery for back up when short of ... or 1,900MHz CDMA Frequency, Two-way SMS, Voice Mail and Caller ID