GB/T 33739-2017基于13.56MHz和2.45GHz双频技术的非接触式读写器射频接口测试方法国家标准
英文:Test methods for radio frequency interface of contactless reader based on 13.56MHz and 2.45GHz dual-frequency technol...
英文:Test methods for radio frequency interface of contactless reader based on 13.56MHz and 2.45GHz dual-frequency technol...