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M3 is a metal casing, IP65 water-proof design compact access control device, suitable for outdoor applications. It is comply with ISO14443 contactless card standards, support 13.56MHZ mifare card and optional 125KHZ EM card. The touch backlit keypad, support TCP/IP and RS485 communication convenient for customers to use. The M3 both with built-in relay for direct lock and standard wiegand output, can be work as standalone access controller and RFID reader all in one device.