User Guide

4
R26B
Admin Guide
2.3. Unlock
2.3.1. Unlock by RFID Cards
Place the predefined user cards in RFID card reader to unlock.
Under normal conditions, R26B will announce “The door is now
opened.” 13.56 MHz RF card is supported on R26B.
2.3.2. Unlock by DTMF Codes
Users can press the predefined DTMF code from an answer unit to
remotely unlock the door during the call. Users will also hear “The
door is now opened.”