Asiawill RDM6300 125Khz EM4100 RFID Reader Module UART Output Access Control System Compatible for Arduino

Specification:
Module Type: RFID
Board Size 3.8 x 1.8 x 1.2cm
Operation Level: Digital 5V
Power Supply: External 5V
Overview:
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.
Features:
Support external antenna
Maximum effective distance up to 50mm
Less than 100ms decoding time
Uart interface
Support EM4100 compatible read only or read/write tags
Small outline design