Equipment recommendation: mobile phone hotspot to wifi ethernet bridge for remote office internet access.

Is there a recommended list of wifi network extenders that are known to be good performers and reliable in this application? This office has spotty DSL service and bad weather outages are common. They are all the on Verizon the network with recent Samsung and iPhone devices and so the idea is to swap in a wifi extender in bridge mode in place of the modem when the DSL goes down.