Ring Floodlight Camera / Skylus modem

I have 2 ring floodlight cameras that i can't get connected to by internet modem. I am in a rural area that dson't have any other option. I am using verizon carrier and a Inseego Skyus modem. I have contacted Ring, verizon and inseego and none have been able to help me. I can create a hotspot from my phone and connect my cameras to the ring app and everything works fine. So i know the cameras are working, i also can connect my TV and phone to the modem so i know the modem/router is working. I am wondering if maybe the modem isn't fast enough and was wondering if anyone know what download/upload speed this camera needs . Or if anyone has run into this before what they did to fix it.