... those without encrypt proximity cards. It suppots advanced Access Control features, anti-pass back, can connect 3rd ... various weigand out reader. RF103 were developed in LINUX system. It could use USB flash disk to ... Range: 5-10cm · Communications: RS232/485, TCP/IP· Access Control Interface: Lock, door sensor, exit button, alarm, Door ... .5x95x48.5mm· Net Weight: 0.7kg RFID Network Access Control RF103