Verizon 5g home network

I have the verizon 5G home network router and am trying to setup a exa15 mesh extender.  Plug the extender into the wall and get green power LED and green WPS LED.  The other two lights are not lite.  Have tried using computer and nighthawk app to connect.  Neither of them sees/has the NETGEAR.EXT wifi "network".

Has anyone added an extender to the verizon router?