The RTCU NX-400 is a powerful M2M/IIoT Gateway device, that rests on an entirely new hardware and software architecture representing a major leap in functionality, power, openness and performance.

The RTCU NX-400 has been designed for the most demanding M2M and Internet of Things applications, that demands the absolutely most advanced product available on the market.



  • Based on the RTCU M2M Platform.
  • NX32L (NX32 for Linux) execution architecture.
    • RTCU IDE development tool.
    • Operates under a full and highly optimized Linux variant.
    • Open and extendable with RTCU Platform SDK.

Hardware Core:

  • Cortex-A5 32-bit ARM processor operating at 500 Mhz.
  • Hardware floating point and DSP instructions.
  • 128 MByte LP-DDR RAM.
  • 512 MByte NAND Flash (file-systems).
  • 16 MByte NOR flash (system boot).
  • 8 MB Dataflash (persistent memory/datalogger).
  • 128 KB SRAM with battery back-up (unlimited endurance).
  • Real-time clock with battery back-up.


  • Embedded firewall.
  • TLS/SSL support with full certificate management.
  • TLS/SSL support for all major protocols, such as SMTP, MQTT and sockets.
  • Hardware assisted encryption/authentication: AES-128, AES-192, AES-256, DES, TripleDES, HASH, RND and RSA signature.

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