Technical specifications Appearance size: 143×110×28mm Power: DC 5V Communication rate: 9600~115200 Cable: not less than 1.5m Contactless modules Support card type: 符合ISO14443 TypeA的非接觸式CPU卡, MF S50/S70 memory card Protocol: ISO14443 /1/2/3/4 T=CL Protocol Operating frequency: 13.56MHz±7kHz Card read and write rate: 106 Kbps Card read/write distance: 0〜50毫米, the actual distance is related to the card CPU card command …