Install the SIM card
If you purchased cellular service from Campbell Scientific with the module, it will come with the SIM (Subscriber Identity Module) card already installed.
Observe precautions for handling electrostatic sensitive devices.
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Remove the screws from the bottom panel.
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Pull the bottom and top of the data logger apart.
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Note the location of the notched corner on the SIM card for correct alignment. The gold contact points of the SIM face down when inserting the SIM card as shown in the following figure. Gently slide the card into the slot until it stops and locks into place. To eject the SIM card, press it in slightly and release.