Netgear has set up a community forum specifically for the Mobile Router products. Most of the people who watch that forum are more likely to have experience with mobile routers and know how to work it better than those of us who follow this router forum. Might be more likely to find someone who has a solution if the question is posted there:
Please use this link to the main forum product list to review and choose where to make your posts.
My Setup | ISP SparkLight | Internet Cable 1000↓/50↑ CAX80 Modem Mode | Wifi Router RBKE963 and RBE973 | Switches NG GS105/8, GS308v3, GS110MX and XS505M | Additional NG HW: C7800/CAX30/CAX80/CM1100/CM1200/CM2000, Orbi: CBK752, RBK50, RBK853, RBK752, RBK953, SXK30 | NightHawk: MK63, MK93S, R7000, R7800, R7960P, R8000, RAXE500, RAX120v2, RAX50v2, XR450/500/700/1000,