... module for integrating into existing devices 2. Multi-interface: RS232, RS485, USB, TTL, SPI, C&D, ABA1/2, Wiegand CN3XX(S)(T ... 1) to enhance security.The Mini size module with multi-interface is flexible to do integration and compatible to Comprehensive Operation ... for enhanced security, expandable on request3. Multi-interface: RS232, RS485, USB 2.0, TTL, SPI, Clock & Data / ABA1,2 / Wiegand26-584. ...