1. Mini RF module for integrating into existing devices 2. Multi-interface: RS232, RS485, USB, TTL, SPI, C&D, ABA1/2, Wiegand CN3XX(S ... (T=0 T=1) SAM socket for enhanced security, expandable on request3. Multi-interface: RS232, RS485, USB 2.0, TTL, SPI ... testing and evaluation.Package list:(1) Testing board (2) Power supply (9V) (3) Serial communication cable (4) USB communication cable (5) Wires ...