@BastropGuy To replace the main Deco by a new Deco, the first step is to add the new Deco in the existing mesh, and, indeed, you connect the new Deco to the current main Deco, and the new Deco will...

@shanehoff What is displayed by the WiFiman App when sitting next to the satellite X68 unit? What does the Deco app show about the interconnection between the two Deco units?

@Seishin201 What is you configuration?

@Daro6825 The Deco will always provide SSID, and it is better to disable the wifi of the AT&T router. If the AT&T router is in pass through mode, then you set the Deco in Router mode, and the Deco...

@MFlynn It is usually recommended to turn off the wifi of you isp router, and use only the wifi of the Deco. If you decide to keep the wifi of your router, be sure to use distinct names for the two...

@Sealbhaigh Where precisely do you see that "medium strength" information?