MF502 transceiver unit is designed for reading the Serial Number of the Mifare I compatible IC cards and is a major component in RFID(Radio Frequency Identification) reader system. It supports a 3x4 keypad to facilitate auxiliary password input. It can be applied in office/home security, personal identification, access control and production control systems etc.
FEATURES:
z? Built-in transceiver antenna;
z? Maximum effective distance up to 75mm;
z? Less than 200ms decoding time;
z? Low power dissipation with single power supply;
z? Wiegand 26bits or other format interface optional;
z? Support Mifare I compatible IC cards;
z? Support 3x4 keypad for password input;
z? Built-in bi-color LED and buzzer.
INTERFACE DESCRIPTION:
NUMBER | COLOR | SYMBOL | DESCRIPTION |
1 | Red | VCC | Positive Power Supply |
2 | Black | GND | GND |
3 | Green | WD0 | Output as DATA0 in Wiegand |
4 | White | WD1 | Output as DATA1 in Wiegand |
5 | Brown | HOLD | Output as HOLD in Wiegand |
6 | Blue | LED | Input, internally pulled up to +5V. Connected to GND will change the color of LED. |
7 | Grey | BUZ | Input, internally pulled up to +5V. Connected to GND will activate the BUZZER. |
8 | Yellow | BELL1 | Doorbell switch |
9 | Orange | BELL2 | Doorbell switch |