This usually is a case of either one of three things or a combination of them...First i'd go down the route of investigating proper cat 5+ cable installation WITH shielding along with earthing cable....

There's no mention of the Tx power you set your devices at. Given that the link is **only** 100m away you should be getting full 100mbps speeds via the internal testing procedure. Make sure you bring...

As it stands the cookie duration for the forum login is pretty small meaning that it expires very soon (less than a day). It'd surely be beneficial if the user could somehow select an expiration...

Would i be naive if i wondered if there's any TP-Link staff left monitoring these forums? There used to be active TP-Link participation in the old forums, yet in this new format there's nothing yet...

This being an international users forum, please post your questions in english so that more people can reach out and answer your query.

Changelog: 1. Fixed the problem that the device may be reset to factory defaults due to unstable power 2. Improved web UI display 3. Fixed the problem that Transmit Power could be set as improper...