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WiseSun
WS1850S - ISO/IEC14443A/B standard 13.56MHz non-contact read/write card-chip
Shenzhen Qianhai WiseSun Intelligence Technology Co. Ltd. WS1850S ISO/IEC14443A/B13.56MHz ，13.56MHz， ，2.0 ~ 5.5V ，8 ~ 10cm ISO/IEC 14443.
AMIC Technology
A9211B - ISO/IEC 14443A RFID TAG
A9211B ISO/IEC 14443A RFID TAG IC FEATURE – Compatible with ISO/IEC 14443A Standard – No external power supply required – 13.56MHz operating frequenc.
Vibration
WS1850 - ISO/IEC14443A/B standard 13.56MHz non-contact read/write card chip
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Philips
MFRC500 - Highly Integrated ISO 14443A Reader IC
www.DataSheet4U.com INTEGRATED CIRCUITS DataSheet4U.com DataShee MF RC500 Highly Integrated ISO 14443A Reader IC Short Form Specification Revision.