The RFID technology used is generally at the high frequency of 13.56MHz? It is characterized by clear recognition range and can be divided into two-dimensional recognition and three-dimensional recognition. Two-dimensional identification such as HD2280 means that the antenna has only two dimensions, which can meet the requirements in personnel check-in. Three-dimensional identification is artificial to make the antenna have three dimensions like HD6680, which is generally used for book security detection.
Here are some application case pictures.
Instructions for readers' cards of Panyu District Library in Guangzhou
The reader cards of Panyu Library in Guangzhou are div