RFID Modem EM18

The RFID Modem EM18 is a reliable low-frequency RFID reader module designed for contactless identification and authentication applications. Operating at 125kHz frequency, this module can read compatible RFID tags and cards, providing the unique tag ID through a simple serial UART interface. With an integrated antenna and easy-to-use communication interface, the EM18 RFID Modem is widely used in access control systems, attendance systems, security applications, and embedded RFID projects. Available at Directronics, the RFID Modem EM18 is ideal for students, hobbyists, makers, educators, and professional engineers working on automation and identification systems. (Directronics)

Features:

• 125kHz Low Frequency RFID Reader Module

• Contactless RFID Tag Identification

• Compatible with EM4100 / EM4102 RFID Tags

• UART Serial Communication Interface

• Fast and Reliable Tag Detection

• Integrated Antenna Design

• Low Power Consumption

• Compact and Easy-to-Integrate Design

• LED and Buzzer Indicator (Model Dependent)

• Simple Plug-and-Play Operation

• Compatible with Arduino, ESP32, STM32, Raspberry Pi, and Other Controllers

Why Choose RFID Modem EM18?

• Provides quick and reliable RFID tag reading

• Easy UART interface for microcontroller integration

• Suitable for access control and authentication projects

• No complex programming required for basic operation

• Compact design for embedded applications

• Ideal for beginners, students, hobbyists, and professionals

Applications:

• RFID Attendance Systems

• Door Access Control Systems

• Security Authentication Projects

• Smart Lock Systems

• Employee Identification Systems

• Library Management Systems

• Asset Tracking Systems

• IoT-Based Identification Systems

• Embedded System Projects

• Automation Applications

Technical Specifications:

• Product Type: RFID Reader Module

• Module Name: EM18 RFID Modem

• Operating Frequency: 125kHz

• Compatible Tags: EM4100 / EM4102 RFID Tags

• Operating Voltage: 5V DC

• Communication Interface: UART Serial

• Baud Rate: 9600 bps

• Output Format: ASCII Serial Data

• Reading Distance: Approximately 5–10 cm (Tag Dependent)

• Current Consumption: Less than 50mA (Typical)

• Antenna: Integrated Antenna

• Operating Temperature: 0°C to +80°C (Typical)

(Directronics)

Package Includes:

• 1 × RFID Modem EM18

Related Products:

• RFID 125kHz Key Tags

• RFID Cards

• Arduino Uno

• ESP32 38Pin Development Board

• Raspberry Pi Pico W

• STM32 F103C8T6 System Board

• Jumper Wire Bundle (40Pcs)

• Breadboard

• Relay Modules

• OLED Display Module

Why Buy from Directronics?

Directronics provides quality development boards, communication modules, sensors, electronic components, robotics modules, power management solutions, and IoT products for students, makers, educational institutions, startups, and industry professionals. Explore our complete range of Arduino, ESP32, ESP8266, Raspberry Pi, power modules, motor drivers, programming tools, and embedded development products to bring your ideas to life.

Note:

Product images are for illustration purposes only. Actual module design, pin configuration, antenna placement, and connector type may vary depending on the manufacturing batch. Ensure proper 5V power supply and UART connections (VCC, GND, TX) before operation. Reading range depends on RFID tag type, orientation, and surrounding environment.