POS mobile terminal refers to the portable data processing terminal has the following characteristics:
1, with data storage and computing ability;
2, the development of two times;
3, can carry out data communication with other equipment;
4, man-machine interface, to display and input function specifically;
5, wireless network connection. According to the above definition, mobile POS terminals are common PDA, mobile phone, smart phone, bar code data collector, handheld data terminal, Pda data collector and so on.