![background image](http://html1.mh-extra.com/html/peplink/max-hd2-dome/max-hd2-dome_quick-start-manual_1527459008.webp)
If you repeat the steps from 4b) on Cellular 2, both cellular WANs will use the SIM cards
from the SIM Injector.
c. If you want to select a specific SIM, in the Cellular Settings, type “:” and then the number
of the SIM slot. For example, from the following screenshot, you will choose the SIM
cards on slot 4 of the SIM Injector. Use multiple lines to specify multiple SIM slots.