BizLink RM-826-Q25-WD, User Manual, Page: 43 / 48

Remote Access via SMS
If you have set up the LTE connection and if your Data Plan with your carrier has sms (texting)
included you can send commands to the router by sms.
A good emergency tool is the ability to force a reboot of your device from a remote location.
You can send the following command to the router LTE phone number as follows:
::reboot!!
Other commands can also be sent.