... RF module for integrating into existing devices 2. Multi-interface: RS232, RS485, USB, TTL, SPI, C&D, ABA1/2, ... ) SAM socket for enhanced security, expandable on request3. Multi-interface: RS232, RS485, USB 2.0, TTL, SPI, Clock & Data / ABA1 ... capability (useful when several cards are presented)7. Hardware Watchdog enhance the system reliability8. Comprehensive platform to provide flexibility by ...