module rfid 125khz | RFID reader

125 Khz RFID Reader module

• Manufacturer




12 months

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  • Description
  • Specification


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.

Đặc tính kỹ thuật:
1. Tần số hoạt động: 125Khz
2. Tốc độ lấy mẫu: 9600
3. Giao tiếp:  Weigang 26, TTL, RS232
4. Nguồn: 5V
5. Dòng điện: < 5mA
6. Phát triển: API/SDK

Frequency 125KHz
Baud Rate 9600 (TTL Electricity Level RS232 format)
interface Weigang26 Or TTL Electricity Level RS232 format
Power supply DC 5V(±5%)
Current <50Ma
Operating range >50mm(Depend on Card/Tag shape, manufacturer)
Expand I/O port N/A
Indication light N/A
Working temperature -10℃~ +70℃
Storage temperature -20℃~ +80℃
Max. humidity Relative humidity 0 ~ 95%
Size 38.5mm ×19mm×9mm