ShangHai TangRay Info-tech Co.,Ltd

Our products is mainly about wireless transceiver data module. It can be used in some orienting the steel wheel system, Queue management system and intellectual over-weight detecting system. We have different  typs of products .In attachment I have send you the simple instruction of the module?s feature. The details you can learn from our company?s website http://www.51sunray.com [详细介绍]