The Technician login via RADIUS feature allows you to manage technicians’ access to MikroTik routers from ISPadmin. This solution is useful because it makes your work easier. You do not have to create technician accounts for each router separately. Another good thing is that if one of your technicians leaves your company, you can easily remove all their access rights. The feature is newly available as part of the NMM module (Network management and monitoring). Formerly, it was part of the RADIUS module.
Read more: https://wiki5.ispadmin.eu/en/knowledge-base/technician-login-via-radius/