The EM4450 chip is a product of the Swiss EM Microelectronics Corporation. The EM4450 chip operates at a frequency of 100KHz~150KHz. ในเวลาเดียวกัน, a contactless RFID radio chip with read and write functions provides a variety of data transmission rates and data encoding modes with low power consumption. Can customize the EM4450+NXP MF IC S50's LF+HF composite frequency chip cards. Can also customize LF+UHF composite frequency chip cards.
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