As the title suggests there will be no wired WAN just two LTE modems setup with a load sharing algorithm (not bonding)
Would it be as simple as buying:
- 1 X RBM33G https://mikrotik.com/product/rbm33g
2 X Huawei ME909s-120 (Modem MiniPCI-e) http://consumer.huawei.com/solutions/m2 ... cie_en.htm
4 X pigtails
1 X Case
1 X power