The Huawei is serving. In particular the company's website, however, one finds little support, not even the manual in PDF format, but what one finds elsewhere via Google.
The configuration is a bit tedious because you have to change only the network settings (IP address) to get on the Web front-end, and again before each configuration change. When Fritz, simply enter a web address.
Is it in the configuration page, so you can change a lot of technical details, but not relevant for the average user things like "Power Save" or Night, as I can from the Fritz.
Conclusion: for my application for this price a good product when it is configured once.