If your office is in an area with poor wired broadband speeds, for example an office in a rural area, but you get much better download speeds from 4G Mobile Broadband then you could consider using a 4G router and use a standard 4G mobile data SIM to provide high speed 4G for your office use.

We have also included a 5G Router (NR550) on this page as we now recommend that most offices that need a 4G Router with SIM slot to provide basic office Internet or 4G Failover would be better served with a 5G router, even if connecting at 4G speeds.  This is because many 5G routers have higher speed 4G modems inside which enable much faster 4G connection speeds, and of course provide automatic connection to 5G when it becomes available.