This power supply here is really great and at an unbeatable price. While the Fritz box with the original power supply let out an eternal "squealing and Gesurre" by itself, it is now running completely silently with this. The power consumption of 5.4 W actually fell from 2.8 W. All Attention. The line of this power supply is sufficient with 7 VA secondary also for many other small appliances. By The ability to switch the output voltage and the numerous supplied plug (incl. USB) makes it suitable for many lower-power supplies of small appliances.