LTE G4 modem / routers for dummies

I'm new to the forum. Perhaps someone out there can help with this issue. I have to use LTE/G4 to gain access to the Internet (live in rural area). Right now I'm using a KuWFi 4G LTE Router (Canadian version on Bell network) H/W version CPE-LM321_V3.2 Software version:LC111-GL-LM321_V3.2_. This modem/router has a limit of 32 users/devices. Well I'm about to exceed that limit. So my question is simple; can someone advice me on what to buy so I can add more devices (say 100 max). One suggestion seems to be the bridging the NETGEAR 4G LTE modem # LB with a WIFi router.

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I spotted the ZBT WE826 -Q which has OpenWrt firmware. I couldn't find the 'dummies' review.
Also KuWFi WE also OpenWRT. Again I need dummies description. I notice it doesn't support WPS which is really useful for dummies. Do these devices support ++ users/devices (until they run out of 'juice')?

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