ADS Environmental Services RainAlert II QR 775008 A2 - Manual (Page 52)

Communication 4-11
5. Slide back the clip to the SIM card carrier on the circuit board
to unlock the carrier.
SIM card carrier
6. Swing up the hinged clip to the carrier.
Clip open on SIM card carrier
7. Gently insert the SIM card into the slot on the clip. Orient the
card so that the beveled corner of the card will align with the
beveled corner of the carrier when in place.