Siretta quartz series 3g amp 4g dual lan industrial routers siretta quartz w22 lteeuacc the siretta quartz w22 lteeu router is designed to be used in industrial environments where high reliable and always on performance is required the router works with the 4g lte cellular networks to provide secure and high speed wireless connectivitythe router has a robust hard enclosure the helps prevent electromagnetic interference it is ideal for remote management telemetry condition monit