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.
- Support external antenna - Maximum effective distance up to 50mm - Less than 100ms decoding time - UART TTL interface - Support EM4100 compatible read only or read/write tags - Built-in external bi-color LED and buzzer driver - Small outline design
Including: External Antenna *1
Note:Module will notify whenever 125khz tag approaches, tag serial number will be send via TX pin. Easy way for a RFID module on MCU projects or PC connnection via UartSB.