- https://www.synology.com/en-global/products/RT1900ac
- https://www.cyberport.de/synology-rt1900ac-1900mbit-s-dualband-wlan-router-5644-001_184.html
- http://www.amazon.de/gp/offer-listing/B01773J9JU
- https://www.synology.com/en-global/compatibility?search_by=products&category=usb_3g_4g_dongles&p=1&product_bays=Router&product_name=RT1900ac – compatible 3G/4G dongles
- http://stadt-bremerhaven.de/angeschaut-synology-rt1900ac/
- just in case you should not be aware of it: it does not come with a built-in modem, no DSL, no VDSL, nothing