1.Friendly human-computer interface: can support English, French and any other special language. 2.Can send and receive short message, charge by item. 3.Two side Pixels LCDs to display prompts for host and end user individually, with high backlit light convenient to use at night 4.Flexible ability of charge, can choose the mode of pre-paid or post-paid, can set e-purse. 5.Support RMS management, can set tariff remotely, can check the income and the amount of installed phone 6.Can store 500 calling records, the talk time is 3 hours and standby time is 72 hours 7.High reliability, embedded industry module, industry grade design, high ability of anti-interference, powerful encryption to ensure high security of data. 8.Can choose support the function of print ply to GSM standard, have been mass used in china, Africa, India, and south Africa, support GSM900/1800MHZ/1900MHz network