LTE
/interface lte set network-mode=lte lte1
/interface lte at-chat lte1 input="AT*Cell=1,3,3,1798,21"
/interface lte at-chat lte1 input="AT*Cell=1,3,7,3175,483"
3G
/interface lte set network-mode=3g lte1
/interface lte at-chat lte1 input="AT*Cell=1,2,1,10639,"
/interface lte set network-mode=3g lte1
/interface lte at-chat lte1 input=”AT*Cell=1,2,1,10663,”
/interface lte set network-mode=3g lte1
/interface lte at-chat lte1 input=”AT*Cell=1,2,1,,”
/interface lte disable lte1
/interface lte enable lte1
https://wiki.mikrotik.com/wiki/Manual:Interface/LTE