Mikrotik

Receive sms:

/tool sms receive-enabled yes
/tool sms inbox print

https://habr.com/ru/post/359038/

https://wiki.mikrotik.com/wiki/Manual:Interface/LTE#Using_Cell_lock

For R11e-LTE6 modem cell lock information will not be lost after reboot or modem reset.

Lock

/interface lte at-chat lte1 input="AT*Cell=2,3,,1300,384"

Descriprion

AT*Cell=<mode>,<NetworkMode>,<band>,<EARFCN>,<PCI>

where

<mode> :
0 – Cell/Frequency disabled
1 – Frequency lock enabled
2 – Cell lock enabled

<NetworkMode>
0 – GSM
1 – UMTS_TD
2 – UMTS_WB
3 – LTE

<band>
Not in use, leave this blank

<EARFCN>
earfcn from lte info

<PCI>
phy-cellid from lte info

Unlock

/interface lte at-chat lte1 input="AT*Cell=0"