4G sub modems for slate plus?

[bruce]

Here you refer:

Backup USB LTE connection - advise needed

Hi, Regarding which one USB dongle to available to use, there are too many models on the market, impossible to confirm whether all are available. Here list dongles that we tested, but some dongles will have '-sub model', which cannot guarantee that we have fully tested. ZTE MF79U ZTE MF833U1 HUAWEI E3372-607 HUAWEI K5161H HUAWEI E3372-902 and QUECTEL modem with USB adapter... Can change the LAN IP range of the GL router if conflict with dongle. Probably it requires to manually re-en…