Payphone with 800, 450 or 1,900MHz CDMA Frequency, Two-way SMS, Voice Mail and Caller ... incoming and outgoing calls Adaptive to wide range of voltage with low power consumption Fast intelligent dialing ... fixed telephone and being convenient for taking with and moving usage Fast network searching, quick ... : 10 to 90% Payphone with 800, 450 or 1,900MHz CDMA Frequency, Two-way SMS, Voice Mail and Caller ...