... ,lenovo,zijing,keyan,qitong and so on. 8. Encryption module: can provide all kinds of 3DES or single DES, ... switch can choose by dial sets of command.11. Evaluation module with three evaluation buttons :satisfaction, generally, dissatisfaction.1.1 mechanical ... field of high demand peep the theft;7. Evaluation module with satisfaction, generally, dissatisfied three evaluation buttons8. Five-star service ...