With a disparate Deco mesh consisting of 2 x X50, 2 x M5 & 1 x X20 4G, my client lives rurally, no fibre available. Currently using a single 4G modem to provide internet to the mesh.

He wants to improve his connection by adding another 4G modem, running parallel to the existing 4G modem. My thinking is that we need a small load-balancing router connected to both modems & one of the X50. Is that the way to do this? Which router would be recommended?

Or do both X50 get a router each & leave it to TP-Link to balance out demand?