AJMRTC RDM6300 125KHz RFID Reader Module, EM4100 ID Card Read Module, UART TTL Serial Output Non-contact RFID Detection Board Compatible with Arduino, STM32, Raspberry Pi for Access Control Projects

AJMRTC RDM6300 RFID reader module is a cost-effective 125KHz low-frequency radio frequency identification board designed for electronic makers and embedded developers. It supports reading EM4100 series read-only and compatible 125KHz ID cards and key fobs. The module outputs recognized card ID information through standard UART TTL serial port at fixed 9600 baud rate. You can directly connect its TX and RX pins to Arduino, STM32, Raspberry Pi and other main control boards, no extra complex library parsing is required, which greatly simplifies your program development work. It comes with an external loop antenna for flexible installation layout; the typical reading distance reaches 2cm to 5cm depending on tag type and ambient interference. The built-in RF receiving circuit features high sensitivity and stable recognition performance. It works perfectly for building simple door access lock systems, attendance recorders, security alarm devices, patrol checkpoints, interactive toys and automatic identification equipment. Please note this module only supports 125KHz EM4100 tags and cannot read 13.56MHz MFRC522 NFC cards. Double-check the tag frequency before purchase to avoid mismatch.

Specifications

Brand: AJMRTC

Model: RDM6300

Operating Frequency: 125KHz

Supported Tag: EM4100 Compatible ID Card / Key Fob

Communication Interface: UART TTL Serial

Default Baud Rate: 9600

Working Voltage: DC 5V

Working Current: <50mA

Reading Distance: 20mm - 50mm

Application: Access Control, Attendance System, Arduino DIY Projects

Package: 1 x RDM6300 RFID Read Module + 1 x External Antenna