This modem is also sold as a MegaFon M150-2 USB dongle
Install the needed packages via opkg
tool
opkg update
opkg install kmod-usb-net-cdc-ether
opkg install usb-modeswitch
- install software
- reboot router
- connect device
- create a new network named lte
- select the eth device of the dongle ( e.g eth1)
- assign the network to firewall zone wan
it shold be DHCP