I have a question, and maybe you can help me.
I have three M4 routers working perfectly together.
Now I bought two E4 to expand my WiFi signal to external areas of my house.
But my two E4s keep losing connection from the main router (blinking red light).
They connect, work for like 5 minutes and then loses connection.
Even if I connect through an Ethernet cable and even if they are placed very close (10-15 meters and no wall between).
Can this be two faulty units?
Or there is a trick to make E4 and M4 work together?