* FHSS mode, strong anti-collision and anti-jamming capability;
* Effective identification distance is adjustable from 50 to 200 meters;
* Ultrasonic packaging process, waterproof rating up to IP65;
* Parent teacher system;
* Personnel management;
* Personnel attendance.
2.4G Card Tag SR-TG2411N is an RFID active electronic tag operating in the 2.45GHz (ISM) band; It can be worn on the user's chest by hanging rope. It has simple and compact appearance, can read and write in long distance, and it be designed with low dissipation. It has been widely used in the application scenarios of parent teacher system (management of students'entrance and exit), personnel management, attendance and asset management. The tag should be used in conjunction with the SYSIOT 2.4G active reader.