Use a Search field at that forum.
http://forum.mikrotik.com/t/quectel-ep06-e-and-wap-r-ac-rbwapgr-5hacd2hnd/131724/1
http://forum.mikrotik.com/t/chateau-lte12-and-r11e-lte6-passthrough/138488/1
http://forum.mikrotik.com/t/telit-lm940-how-to-get-working/127619/1
…
You ask general question.
Please read those and then ask again.