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Cingular GPRS Raven User Guide Version 2.01 7
CHAPTER 2 Subscriber Identity
Module (SIM)
The Subscriber Identity Module (SIM) in the Raven is a smartcard securely storing
the key identifying a mobile subscriber. Generally, you will only need to install the
SIM once in the life of the modem and it may be pre-installed by Cingular or Air-
Link.
Installing the SIM
To install the SIM, you will only need a small phillips head screw driver.
Opening the Case
1. Unplug the modem power and all cables.
2. Using a small phillips head screw driver, remove the two screws on the back of
the modem.