Decora Smart® Wi-Fi Bridge (MLWSB) has two connections. A Wi-Fi connection to the internet and individual connections to each DN Switch or Dimmer. For information on connections and coverage area see the article How Many Devices Can I Connect To A MLWSB And What Is The Wireless Coverage Area?
Each DN switch or dimmer can display the connection strength to the Wi-Fi Bridge (MLWSB). If you have multiple DN devices and cannot find a location to provide a good connection for all of the DN devices, see the article If I Have Multiple Decora Smart® Wi-Fi Bridges (MLWSB) How Do I Connect To The Bridge With The Best Signal?
To review the signal connection between the Wi-Fi Bridge (MLWSB) and DN Switch or Dimmer:
Press the 3 dots is the upper corner of the DN Switch or Dimmer