Technical Parameters 1. Two-way serial communication, 9600 baud, 8 data bits, ineffective inspection, stop bit 1; In addition, the baud rate can be adjusted according to customer demand. 2. By the computer USB interface to a stable power supply, no external power supply, and built-in power protection Protection. 3. A LED and a buzzer, the buzzer sounds when the credit card, lights flashing, under. 4. Support S50, Mifire or its compatible RFID, frequency: 13.56Hz, induction Distance is 40mm-70mm. 5. Unsolicited passive reader or swipe card standard ten, when tested in the Start menu >> Programs >> Accessories Open HyperTerminal to receive, other formats can be customized. 6. Power consumption 0 .2W, low power consumption making zero failures. 7. Supports Windows95 / 98/2000 / XP / WIN7 / win8 8. Using PL2303HX USB serial converter