jmy504 hf rfid reader and writer modules with pcd nxp rc522 rc523

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jmy504 hf rfid reader and writer modules with pcd nxp rc522 rc523
Posting date : Jun 03, 2014
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Free Member Scince Mar 11, 2014
FOB Price
$18.03 FOB
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T/T L/C
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box/CTN
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Place of Origin
China [CN]
HS-CODE
85-
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box/CTN
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Detailed Description
JMY504 series are RFID reader/writer module with UART and IIC serial ports. JMY504 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. And the module and antenna are separate design. 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 RC522, RC523 Working frequency: 13.56MHz RF standard: ISO14443A, ISO14443B Operating distance: 80mm(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: 512 Bytes Interface: IIC & UART (selected by SPS pin, recommend to use IIC) Communication rate: IIC 400Kbps, UART 19.2Kbps/115.2Kbps Max.command length: 254 Bytes Interface level: 3.3V(TTL level; 5V tolerance) Power supply: DC 5.0V Power consumption: 50mA Dimension: 42mm

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