Topology with B20X and B380

Dear All,

Im new to PepLink. I need to know how the design for B20X on remote and B380 on HUB.

Remotes- 2 Remote, Balance 20X
HUB- 2 Aggregator, Balance 380

I have 2 4G that is dual sim in remote and connecting to HUB 380. The HUB 380 will connect to the customer Router.
Speedfusion tunnel will be creating from Remote to HUB.
Dual SIM with Speedfusion.

Remote <20x>---------4G--------AG1-------SW1-----Customer-Router
----------4G--------AG2------SW2-----Customer-Router.

At a time, 4G two tunnel will reach to AG1(or B380). I need design, kindly help. At a time, one customer router is online. VRRP is using in Router. I need to place a server with onpremise Incontrol. pls provide a topology