... RF103 1. Standalone B&W RFID Access Control 2. 30000/50000, TCP/ ... Access Control features, anti-pass back, can connect 3rd party E-lock, alarm, door sensor, exit button, various weigand out reader ... steady. Features: · With 10 cm Proximity Reader and LCD inside· Standalone or contacted PC with ... 5-10cm · Communications: RS232/485, TCP/IP· Access Control Interface: Lock, door sensor, exit button, alarm, ...