The EM card is a contactless RFID radio chip with read and write capabilities. It has the outstanding advantages of easy operation, fast and reliable, and has been widely used. It is now used in a variety of application management systems such as animal identification and tracking management. It can also be used in identification, such as access control, security, etc., as well as extensions to tickets, discount cards, etc. in public places such as exhibitions, parks, restaurants, etc. In addition, the EM card has 32-bit password protection and is highly secure. In addition, it has a plate upper limiter that operates at low temperatures and high temperatures up to 85 degrees.