This RFID module is designed for reading code from 125Khz card compatible read-only tags and read/write cards. It will notify you whenever the 125Khz tag approaches, the tag serial number will be sent via TX pin or Wiegand pin. Super small size design, it is widely applied in office/home security, personal identification, access control, anti-forgery, interactive toy and production control systems etc.
Small Outline Design
UART TTL Interface
Maximum Effective Distance Up To 70mm
Support EM4100 Compatible Read Only or Read/Write Tags