2019-4-12 · Works! LTE interface. vendor-id="0x12d1" device-id="0x14dc" There is different versions of this modem available, not all work under RouterOS. Only cdc_ecm and Serial modems are supported. Modem firmware upgrade may be necessary. For ppp mode send AT^SETPORT="FF,12,1,16" data-channel=1 info-channel=0, other modes are explained in modems manual ...