The Grove-125KHz RFID Reader is a module used to read uem4100 RFID card information with two output formats: Uart and Wiegand. It has a sensitivity with maximum 7cm sensing distance.
Selectable output format: Uart or Wiegand.
4 Pin Electronic Brick Interface
RDM 125KHz card mini-module is designed for reading code from 125KHz card compatible read-only tags and read/write card.
It can be applied in office/home security, personal identification, access control, anti-forgery, interactive toy and production control systems etc.