... , anti-pass back, can connect 3rd party E-lock, alarm, door sensor, exit button, various weigand out reader. RF103 were developed ... RS232/485, TCP/IP· Access Control Interface: Lock, door sensor, exit button, alarm, Door Bell, Anti-pass back· Standard Functions: USB Host ... , time, date, states) · Power Supply: 12V DC 3A· Operating Temperature: 0°C-45°C· Operating Humidity: 20%-80% · Dimension: 129 ...