Siretta quartz series 3g amp 4g dual lan industrial routers siretta quartz w22 umtseuacc the siretta quartz w22 umtseu router is designed to be used in industrial environments where high reliable and always on performance is required the router works with the umts 3g 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 m