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#Product Trends

Industrial Cellular Routers

Expanding its range of industrial cellular routers, Westermo now offers the new Merlin 4400 series of compact and rugged LTE Cat 4 wireless routers.

These have been developed to support secure remote access to equipment within utility, industrial and trackside applications. The Merlin 4400 series is equipped with a set of cybersecurity tools as standard including a trusted platform module chip that keeps cryptographic keys secure, Secure Boot functionality ensuring the routers boot using only trusted software, virtual private network and stateful firewall support for data security. The Merlin 4400 series offers high-speed data network connectivity, with support for Ethernet and RS-232/485 communications ensuring compatibility with existing equipment. This series has IEC 61850-3 Class 1 approval, allowing deployment in medium voltage substation automation applications, while EN 50121-4 approval enables use in rail trackside applications.


  • Metallverksgatan 6, 721 30 Västerås, Sweden