This product consists of two parts: Wireless reader and data receiving module which are using 433MHz frequency for data transmission. The reader can read 13.56MHz Mifare card’s UID then send the data by 433MHz to the receiving module and finally send it to the terminal via Wiegand interface. The wireless communication is under high-security data encryption. Configuration of this product is simple, you just need to connect the receiving module to the terminal’s Wiegand interface. The receiver’s Wiegand interface has 4-Pin: +12, GND, W0, W, any terminal with Wiegand interface can use this product.