About This Device
Cellular WAN has historically meant a foreign box bolted onto the network — separate management, separate vendor, separate troubleshooting path. The U5G-Max erases that seam for UniFi environments. It is a native UniFi device: connect it to any PoE port on the network, and it adopts into the console like an access point would, with automatic setup handling the modem bring-up. From then on, cellular WAN is just another part of the UniFi network — visible, configurable, and monitorable in the same interface as everything else.
The radio performance justifies the Max name. Rated for 5G throughput up to 3.4 Gbps, the modem is fast enough to serve as a genuine primary WAN where 5G coverage is strong — not just an emergency trickle. SIM flexibility matches: dual SIM and eSIM support let you load multiple carrier profiles, with automatic failover between them so a single operator's outage does not take the site offline.
Deployment patterns follow naturally. Sites with UniFi gateways add the U5G-Max as a failover WAN that activates when the wired circuit drops. Locations beyond good wireline service run it as primary internet at multi-gigabit-class 5G rates. And because adoption works through any UniFi PoE port, the modem can be placed where signal is best — a window-side drop or upper floor — rather than where the gateway happens to sit. At 2.26 pounds, it installs without drama.