To install the micro SIM card in the modem:
1.
Ensure that power to the modem is off.
2.
Place the modem horizontally with the bottom panel facing you.
3.
Remove the black plastic SIM slot cover so that you can access the metal SIM card slot.
4.
Unlock the metal SIM card door by sliding it downward.
5.
Open the metal SIM card door.
Introduction and Hardware Overview
9
LTE Modem Model LB2120