Verizon Network Extender

I have a Verizon Network Extender.  Installed back in July 2020.  Had been working great.  I am on Verizon and my wife is XM.  About a month ago, calls started dropping.  To check where the issue is, I tried calls without the extender and they did not drop.  Only have 1-2 bars, but no drops.  Plugged in the network extender into another network and had no dropped calls on it all day.  Plugged in back in at home and calls drop.

Network extended is setup per xFinity instruxtions.

Anyone have a resolution or similar issue?