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Are the Ethernet / Wireless Link Kits secure? What technology do you use?

Technomad Link Kits (wireless and Ethernet) are robust systems with embedded microprocessors. Here are some background notes regarding the technology we employ.

  • PC-FREE architecture
  • TCP/IP stack is by Lantronix (no Berkley TCP/IP code)
  • no embedded Linux, WinCE etc under the hood
  • very low power consumption (typ. 2-3W)
  • small memory footprint – “static RAM design”
  • no dynamic memory architecture, so no memory leaks or performance issues very high integration on silicon
  • proven architecture, 15+ years in the market (the Lantronix stack)
  • storage is flash-ram based (no hard-drives to fail)
  • audio part and network part separated (DSP and separate network processor) for higher reliability than software solutions

Devices are password-protected to limit unauthorized access to configuration pages. Network operator typically imposes MAC-address security in addition (i.e. only allowing Technomad devices to ‘speak’ on Port 80 and UDP 3030 to authorized MAC-address devices).