jmy501 hf 13.56mhz rfid reader and writer modules

JMY501 series are RFID reader/writer module with UART and IIC serial ports. JMY501 has various functions and supports multi ISO/IEC standard of contactless card; the cards from different suppliers. The RF protocol is complex. But the designer combined some frequent used command of RF card and then user could operate the cards with full function by sending simple command to the module through IIC or UART interface. The impedance between RF module and antenna was tuned by impedance analyzer. And then the module has excellent performance and stability. The module and antenna is separate design. 4 wires are linked the antenna and module. Normally the wire should be less than 200mm, or it will affect the module's performance and stability.

  • Qualifications:
  • PCD: NXP RC500, RC531, RC632, RC400
  • Working frequency: 13.56MHz
  • RF standard: ISO14443A, ISO14443B, ISO15693
  • Operating distance: 100mm(depending on card and antenna design)
  • Anti collision ability: Full function anti collision; be able to process multi-cards simultaneously; be able to set operate single card only
  • Auto detecting card: Supported, default OFF
  • EEPROM: 512Bytes
  • Interface: IIC & UART (selected by SPS pin, recommend to use IIC)
  • Communication rate: IIC--400Kbps, UART--19200bps/115200bps
  • Max.command length: 511 Bytes
  • Interface level: 3.3V (TTL level; 5V tolerance)
  • Power supply: DC5V
  • Power consumption: 70mA
  • Dimension: 42mm×21mm×8mm
  • Package: DIP32
  • Weight: about 15g
  • Operating temperature: -25 ~ +85 ℃ (-77 ~ +185°F)
  • Storage temperature: -40 ~ +125 ℃ (-104 ~ +257°F)
  • ISP: Supported
  • RoHS: Compliant


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