Dell RW491 owner manual Subscriber Identity Module, Wireless Mini-Cards

Subscriber Identity Module

Subscriber Identity Modules (SIM) identify users uniquely through an International Mobile Subscriber Identity.

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

NOTE: Only Cingular and Vodafone need a SIM. Verizon, Sprint, and Telus do not use SIMs.

1Follow the procedures in "Before You Begin" on page 127.

2In the battery bay, slide the SIM into the compartment with the cut-off corner of the SIM facing away from the compartment.

1 2

1 battery bay 2 SIM

Wireless Mini-Cards

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

NOTICE: To help prevent damage to the system board, you must remove the battery from the battery bay before you begin working inside the computer.

If you ordered a wireless mini-card with your computer, the card is already installed. Your computer supports three types of wireless mini-cards:

•Wireless Local Area Network (WLAN)

•Mobile Broadband or Wireless Wide Area Network (WWAN)

•Flash Cache Module (FCM)

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Adding and Replacing Parts