Szok Energy and Communication Co., Ltd., has an R&D team with over 20 years of experience, specializing in the R&D and manufacturing of electrical equipment and communications products. It provides customers with high quality ODM / OEM services. In addition, it is in possession of complete and professional manufacturing technology including RF antenna, software and hardware technology, mechanical design, system integration, interface development, product testing and certification. 【RTLS ( real-time location tracking system ) positioning product】 Using UWB ( ultra wide band ) & TDOA ( time difference of arrival ) technologies for the positioning anchors to process the huge tags throughput data instantly and to locate the tags precise location tracking. The distance error is about 10~ 30cm. It supports Ethernet & WIFI, and Ethernet supports POE. The system is highly stable and can process with the power-saved lithium battery which can be cost-effective to the customers. We can provide the SDK for the other system quick development. There is a large variety of the applications such as warehouse, shopping mall, playground, nursing center ... and so on. 【Long range UHF RFID reader & tags】 The applications can be the multi car management in the parking lot, logistic management, access control, warehouse management ... and so on.