With the advent of the 4G era,more and more frequency bands requetsed to mobile phones,we have heard five modes and ten frequencies,five modes and thirteen frequencie bands.Then,what is five mode thirteen frequencies actually?Firstly,we need to figure out what is the five mode thirteen frequency. The so-called five-mode support a total of 5 TDD-LTE / FDD-LTE / TD-SCDMA / GSM / WCDMA communication modes,including 13 bands of TD-LTE Band38 / 39/40, FDD LTE Band7 / 3, TD-SCDMA Band34 / 39, WCDMA Band1 / 2/5 and GSM Band2 / 3/8.Mobile phone support the five-mode thirteen-band called five-mode thirteen-band mobile phone.