The RDM6300 UART 125Khz EM4100 RFID key card module is a type of radio frequency identification (RFID) module that is used to read and write data to and from RFID tags. It is a small, low-cost module that is commonly used in a wide range of electronic projects and applications.

The module operates at a frequency of 125Khz and is compatible with EM4100 RFID tags, which are commonly used in access control and identification systems. It has a UART (Universal Asynchronous Receiver/Transmitter) interface, which allows it to communicate with a microcontroller or other electronic device using serial communication. The module can be used to read and write data to and from RFID tags, as well as to control the operation of the RFID system.

This type of module is often used in access control systems, inventory management systems, and other applications where it is necessary to identify and track objects using RFID technology. It is typically connected to a microcontroller or other electronic device, which can interpret the data from the RFID tags and take appropriate action.

RDM6300 125KHz cardreader 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.
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Overview
RDM6300 125KHz cardreader 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.