a) Watch LTE parameters: http://forum.mikrotik.com/t/sxt-lte-4g-cat6/134468/1
b) Syslog with remote action who send that stuff to remote server
c) how create separate files etc http://forum.mikrotik.com/t/rsyslog-multiple-topics-in-multiple-files/98879/1
P.S. Please use a search button in forum.